diff --git a/Mage.Sets/src/mage/sets/Commander2020Edition.java b/Mage.Sets/src/mage/sets/Commander2020Edition.java
index e24d17dd40..426bced951 100644
--- a/Mage.Sets/src/mage/sets/Commander2020Edition.java
+++ b/Mage.Sets/src/mage/sets/Commander2020Edition.java
@@ -30,10 +30,12 @@ public final class Commander2020Edition extends ExpansionSet {
             "Illuna, Apex of Wishes",
             "Insatiable Hemophage",
             "Lore Drakkis",
+            "Majestic Auricorn",
             "Migratory Greathorn",
             "Mindleecher",
             "Nethroi, Apex of Death",
             "Otrimi, the Ever-Playful",
+            "Parcelbeast",
             "Pouncing Shoreshark",
             "Sawtusk Demolisher",
             "Sea-Dasher Octopus",
@@ -84,6 +86,7 @@ public final class Commander2020Edition extends ExpansionSet {
         cards.add(new SetCardInfo("Jirina Kudro", 8, Rarity.MYTHIC, mage.cards.j.JirinaKudro.class));
         cards.add(new SetCardInfo("Kathril, Aspect Warper", 10, Rarity.MYTHIC, mage.cards.k.KathrilAspectWarper.class));
         cards.add(new SetCardInfo("Lifecrafter's Bestiary", 244, Rarity.RARE, mage.cards.l.LifecraftersBestiary.class));
+        cards.add(new SetCardInfo("Lightning Rift", 155, Rarity.UNCOMMON, mage.cards.l.LightningRift.class));
         cards.add(new SetCardInfo("Masked Admirers", 183, Rarity.RARE, mage.cards.m.MaskedAdmirers.class));
         cards.add(new SetCardInfo("Nahiri, the Harbinger", 223, Rarity.MYTHIC, mage.cards.n.NahiriTheHarbinger.class));
         cards.add(new SetCardInfo("Netherborn Altar", 45, Rarity.RARE, mage.cards.n.NetherbornAltar.class));
diff --git a/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
index 2e74345cb0..b80c62c164 100644
--- a/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
+++ b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
@@ -30,10 +30,12 @@ public final class IkoriaLairOfBehemoths extends ExpansionSet {
             "Illuna, Apex of Wishes",
             "Insatiable Hemophage",
             "Lore Drakkis",
+            "Majestic Auricorn",
             "Migratory Greathorn",
             "Mindleecher",
             "Nethroi, Apex of Death",
             "Otrimi, the Ever-Playful",
+            "Parcelbeast",
             "Pouncing Shoreshark",
             "Sawtusk Demolisher",
             "Sea-Dasher Octopus",
diff --git a/Utils/mtg-cards-data.txt b/Utils/mtg-cards-data.txt
index 0a8404de73..c350b2bc6e 100644
--- a/Utils/mtg-cards-data.txt
+++ b/Utils/mtg-cards-data.txt
@@ -36731,13 +36731,19 @@ Inspiring Veteran|Throne of Eldraine|397|U|{R}{W}|Creature - Human Knight|2|2|Ot
 Mysterious Egg|Ikoria: Lair of Behemoths|3|C|{1}|Creature - Egg|0|2|Whenever this creature mutates, put a +1/+1 counter on it.|
 Cubwarden|Ikoria: Lair of Behemoths|7|R|{3}{W}|Creature - Cat|3|5|Mutate {2}{W}{W}$Lifelink$Whenever this creature mutates, create two 1/1 white Cat creature tokens with lifelink.|
 Drannith Magistrate|Ikoria: Lair of Behemoths|11|R|{1}{W}|Creature - Human Wizard|1|3|Your opponents can't cast spells from anywhere other than their hands.|
+Fight as One|Ikoria: Lair of Behemoths|12|U|{W}|Instant|||Choose one or both—$• Target Human creature you control gets +1/+1 and gains indestructible until end of turn.$• Target non-Human creature you control gets +1/+1 and gains indestructible until end of turn.|
 Flourishing Fox|Ikoria: Lair of Behemoths|13|U|{W}|Creature - Fox|1|1|Whenever you cycle another card, put a +1/+1 counter on Flourishing Fox.$Cycling {1}|
+Garrison Cat|Ikoria: Lair of Behemoths|14|C|{W}|Creature - Cat|1|1|When Garrison Cat dies, create a 1/1 white Human Soldier creature token.|
+Helica Glider|Ikoria: Lair of Behemoths|15|C|{2}{W}|Creature - Nightmare Squirrel|2|2|Helica Glider enters the battlfield with your choice of a flying counter or a first strike counter on it.|
 Huntmaster Liger|Ikoria: Lair of Behemoths|16|U|{3}{W}|Creature - Cat|3|4|Mutate {2}{W}$Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.|
+Majestic Auricorn|Ikoria: Lair of Behemoths|22|U|{4}{W}|Creature - Unicorn|4|4|Mutate {3}{W}$Vigilance$Whenever this creature mutates, you gain 4 life.|
 Mythos of Snapdax|Ikoria: Lair of Behemoths|24|R|{2}{W}{W}|Sorcery|||Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If {B}{R} was spent to cast this spell, you choose the permanents for each player instead.|
 Pacifism|Ikoria: Lair of Behemoths|25|C|{1}{W}|Enchantment - Aura|||Enchant creature$Enchanted creature can't attack or block.|
 Patagia Tiger|Ikoria: Lair of Behemoths|26|C|{4}{W}|Creature - Cat|3|4|Flying$When Patagia Tiger enters the battlefield, target Human you control gets +2/+2 until end of turn.|
 Sanctuary Lockdown|Ikoria: Lair of Behemoths|28|U|{2}{W}|Enchantment|||Humans you control get +1/+1.${2}, Tap two untapped Humans you control: Tap target creature an opponent controls.|
 Savai Sabertooth|Ikoria: Lair of Behemoths|29|C|{1}{W}|Creature - Cat|3|1||
+Splendor Mare|Ikoria: Lair of Behemoths|32|U|{2}{W}|Creature - Eld Unicorn|3|3|Lifelink$Cycling {1}{W}$When you cycle Splendor Mare, put a lifelink counter on target creature you control.|
+Spontaneous Flight|Ikoria: Lair of Behemoths|33|C|{2}{W}|Instant|||Target creature gets +2/+2 until end of turn. Put a flying counter on it.|
 Stormwild Capridor|Ikoria: Lair of Behemoths|34|U|{2}{W}|Creature - Bird Goat|1|3|Flying$If noncombat damage would be dealt to Stormwild Capridor, prevent that damage. Put a +1/+1 counter on Stormwild Capridor for each 1 damage prevented this way.|
 Valiant Rescuer|Ikoria: Lair of Behemoths|36|U|{1}{W}|Creature - Human Soldier|3|1|Whenever you cycle another card for the first time each turn, create a 1/1 white Human Soldier creature token.$Cycling {2}|
 Will of the All-Hunter|Ikoria: Lair of Behemoths|38|U|{1}{W}|Instant|||Target creature gets +2/+2 until end of turn. If it's blocking, instead put two +1/+1 counters on it.$Cycling {2}|
@@ -36764,9 +36770,10 @@ Call of the Death-Dweller|Ikoria: Lair of Behemoths|78|U|{2}{B}|Sorcery|||Return
 Cavern Whisperer|Ikoria: Lair of Behemoths|79|C|{4}{B}|Creature - Nightmare|4|4|Mutate {3}{B}$Menace$Whenever this creature mutates, each opponent discards a card.|
 Chittering Harvester|Ikoria: Lair of Behemoths|80|U|{5}{B}|Creature - Nightmare|4|6|Mutate {4}{B}$Whenever this creature mutates, each opponent sacrifices a creature.|
 Dirge Bat|Ikoria: Lair of Behemoths|84|R|{2}{B}{B}|Creature - Bat|3|3|Mutate {4}{B}{B}$Flash$Flying$Whenever this creature mutates, destroy target creature or planeswalker an opponent controls.|
-Extinction Event|Ikoria: Lair of Behemoths|88|R|{3}{B}|Sorcery|||Choose odd or even. Exile each creature with a converted mana cost of the chosen parity.|
+Extinction Event|Ikoria: Lair of Behemoths|88|R|{3}{B}|Sorcery|||Choose odd or even. Exile each creature with a converted mana cost of the chosen value.|
 Gloom Pangolin|Ikoria: Lair of Behemoths|89|C|{2}{B}|Creature - Nightmare Pangolin|1|5||
 Grimdancer|Ikoria: Lair of Behemoths|90|U|{1}{B}{B}|Creature - Nightmare|3|3|Grimdancer enters the battlefield with your choice of two different counters on it from among menace, deathtouch, and lifelink.|
+Heartless Act|Ikoria: Lair of Behemoths|91|U|{1}{B}|Instant|||Choose one —$• Destroy target creature with no counters on it.$• Remove up to three counters from target creature.|
 Insatiable Hemophage|Ikoria: Lair of Behemoths|93|U|{3}{B}|Creature - Nightmare|3|3|Mutate {2}{B}$Deathtouch$Whenever this creature mutates, each opponent loses X life and you gain X life, where X is the number of times this creature has mutated.|
 Mythos of Nethroi|Ikoria: Lair of Behemoths|97|R|{2}{B}|Instant|||Destroy target nonland permanent if it's a creature or if {G}{W} was spent to cast this spell.|
 Unbreakable Bond|Ikoria: Lair of Behemoths|101|U|{4}{B}|Sorcery|||Return target creature card from your graveyard to the battlefield with a lifelink counter on it.|
@@ -36786,6 +36793,7 @@ Mythos of Vadrok|Ikoria: Lair of Behemoths|127|R|{2}{R}{R}|Sorcery|||Mythos of V
 Rooting Moloch|Ikoria: Lair of Behemoths|133|U|{4}{R}|Creature - Lizard|4|4|When Rooting Moloch enters the battlefield, exile target card with a cycling ability from your graveyard. Until the end of your next turn, you may play that card.$Cycling {2}|
 Shredded Sails|Ikoria: Lair of Behemoths|136|C|{1}{R}|Instant|||Choose one —$• Destroy target artifact.$• Shredded Sails deals 4 damage to target creature with flying.$Cycling {2}|
 Tentative Connection|Ikoria: Lair of Behemoths|138|C|{3}{R}|Sorcery|||This spell costs {3} less to cast if you control a creature with menace.$Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.|
+Weaponize the Monsters|Ikoria: Lair of Behemoths|140|U|{R}|Enchantment|||{2}, Sacrifice a creature: Weaponize the Monsters deals 2 damage to any target.|
 Yidaro, Wandering Monster|Ikoria: Lair of Behemoths|141|R|{5}{R}{R}|Legendary Creature - Dinosaur Turtle|8|8|Trample, haste$Cycling {1}{R}$When you cycle Yidaro, Wandering Monster, shuffle it into your library from your graveyard. If you've cycled a card named Yidaro, Wandering Monster four or more times this game, put it onto the battlefield from your graveyard instead.|
 Auspicious Starrix|Ikoria: Lair of Behemoths|144|U|{4}{G}|Creature - Elk Beast|6|6|Mutate {5}{G}$Whenever this creature mutates, exile cards from the top of your library until you exile X permanent cards, where X is the number of times this creature has mutated. Put those permanent cards onto the battlefield.|
 Barrier Breach|Ikoria: Lair of Behemoths|145|U|{2}{G}|Instant|||Exile up to three target enchantments.$Cycling {2}|
@@ -36797,6 +36805,7 @@ Fertilid|Ikoria: Lair of Behemoths|152|C|{2}{G}|Creature - Elemental|0|0|Fertili
 Fully Grown|Ikoria: Lair of Behemoths|154|C|{2}{G}|Instant|||Target creature gets +3/+3 until end of turn. Put a trample counter on it.|
 Gemrazer|Ikoria: Lair of Behemoths|155|R|{3}{G}|Creature - Beast|4|4|Mutate {1}{G}{G}$Reach, trample$Whenever this creature mutates, destroy target artifact or enchantment an opponent controls.|
 Glowstone Recluse|Ikoria: Lair of Behemoths|156|U|{2}{G}|Creature - Spider|2|3|Mutate {3}{G}$Reach$Whenever this creature mutates, put two +1/+1 counters on it.|
+Hornbash Mentor|Ikoria: Lair of Behemoths|159|U|{2}{G}|Creature - Human Warrior|3|3|When Hornbash Mentor enters the battlefield, put a trample counter on target non-Human creature you control.${2}{G}, {T}: Put a +1/+1 counter on each creature you control with trample.|
 Kogla, the Titan Ape|Ikoria: Lair of Behemoths|162|R|{3}{G}{G}{G}|Legendary Creature - Ape|7|6|When Kogla, the Titan Ape enters the battlefield, it fights up to one target creature you don't control.$Whenever Kogla attacks, destroy target artifact or enchantment defending player control.${1}{G}: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.|
 Migration Path|Ikoria: Lair of Behemoths|164|U|{3}{G}|Sorcery|||Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.$Cycling {2}|
 Migratory Greathorn|Ikoria: Lair of Behemoths|165|C|{3}{G}|Creature - Beast|3|4|Mutate {2}{G}$Whenever this creature mutates, search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.|
@@ -36821,6 +36830,7 @@ Illuna, Apex of Wishes|Ikoria: Lair of Behemoths|190|M|{2}{G}{U}{R}|Legendary Cr
 Labyrinth Raptor|Ikoria: Lair of Behemoths|193|R|{B}{R}|Creature - Nightmare Dinosaur|2|2|Menace$Whenever a creature you control with menace becomes blocked, defending player sacrifices a creature blocking it.${B}{R}: Creatures you control with menace get +1/+0 until end of turn.|
 Lore Drakkis|Ikoria: Lair of Behemoths|194|U|{1}{U}{R}|Creature - Lizard Beast|2|3|Mutate {U/R}{U/R}$Whenever this creature mutates, return target instant or sorcery card from your graveyard to your hand.|
 Nethroi, Apex of Death|Ikoria: Lair of Behemoths|197|M|{2}{W}{B}{G}|Legendary Creature - Cat Nightmare Beast|5|5|Mutate {4}{G/W}{B}{B}$Deathtouch, lifelink$Whenever this creature mutates, return any number of target creature cards with total power 10 or less from your graveyard to the battlefield.|
+Parcelbeast|Ikoria: Lair of Behemoths|199|U|{2}{G}{U}|Creature - Elemental Beast|2|4|Mutate {G}{U}${1}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield. If you don't put the card onto the battlefield, put it into your hand.|
 Primal Empathy|Ikoria: Lair of Behemoths|200|U|{1}{G}{U}|Enchantment|||At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control.|
 Quartzwood Crasher|Ikoria: Lair of Behemoths|201|R|{2}{R}{R}{G}|Creature - Dinosaur Beast|6|6|Trample$Whenever one or more creatures you control with trample deal combat damage to a player, create an X/X green Dinosaur Beast creature token with trample, where X is the amount of damage those creatures dealt to that player.|
 Rielle, the Everwise|Ikoria: Lair of Behemoths|203|M|{1}{U}{R}|Legendary Creature - Human Wizard|0|3|Rielle, the Everwise gets +1/+0 for each instant or sorcery card in your graveyard.$Whenever you discard one or more cards for the first time each turn, draw that many cards.|
@@ -36829,6 +36839,7 @@ Snapdax, Apex of the Hunt|Ikoria: Lair of Behemoths|209|M|{1}{R}{W}{B}|Legendary
 Sprite Dragon|Ikoria: Lair of Behemoths|211|U|{U}{R}|Creature - Faerie Dragon|1|1|Flying, haste$Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.|
 Trumpeting Gnarr|Ikoria: Lair of Behemoths|213|U|{1}{G}{U}|Creature - Beast|3|3|Mutate {3}{G/U}{G/U}$Whenever this creature mutates, create a 3/3 green Beast creature token.|
 Vadrok, Apex of Thunder|Ikoria: Lair of Behemoths|214|M|{U}{R}{W}|Legendary Creature - Elemental Dinosaur Cat|3|3|Mutate {1}{W/U}{R}{R}$Flying, first strike$Whenever this creature mutates, you may cast target noncreature card with converted mana cost 3 or less from your graveyard without paying its mana cost.|
+Alert Heelbonder|Ikoria: Lair of Behemoths|218|U|{1}{G/W}{G/W}|Creature - Human Scout|2|4|Vigilance$At the beginning of your end step, you gain 1 life for each creature you control with vigilance.|
 Fiend Artisan|Ikoria: Lair of Behemoths|220|M|{B/G}{B/G}|Creature - Nightmare|1|1|Fiend Artisan gets +1/+1 for each creature card in your graveyard.${X}{B/G}, {T}, Sacrifice another creature: Search your library for a creature card with converted mana cost X or less, put it onto the battlefield, then shuffle your library. Activate this ability only any time you could cast a sorcery.|
 Gyruda, Doom of Depths|Ikoria: Lair of Behemoths|221|R|{4}{U/B}{U/B}|Legendary Creature - Demon Kraken|6|6|Companion — Your starting deck contains only cards with even converted mana costs.$When Gyruda, Doom of Depths enters the battlefield, each player puts the top four cards of the library into their graveyard. Put a creature card with an even converted mana cost from among those cards onto the battlefield under your control.|
 Lurrus of the Dream-Den|Ikoria: Lair of Behemoths|226|R|{1}{W/B}{W/B}|Legendary Creature - Cat Nightmare|3|2|Companion — Each permanent card in your starting deck has converted mana cost 2 or less.$Lifelink$During each of your turns, you may cast one permanent spell with converted mana cost 2 or less from your graveyard.|
@@ -36838,6 +36849,7 @@ Umori, the Collector|Ikoria: Lair of Behemoths|231|R|{2}{B/G}{B/G}|Legendary Cre
 Crystalline Giant|Ikoria: Lair of Behemoths|234|R|{3}|Artifact Creature - Giant|3|3|At the beginning of combat on your turn, choose a kind of counter at random that Crystalline Giant doesn't have on it from among flying, first strike, deathtouch, hexproof, lifelink, menace, reach, trample, vigilance, or +1/+1. Put a counter of that kind on Crystalline Giant.|
 Indatha Crystal|Ikoria: Lair of Behemoths|235|U|{3}|Artifact|||{T}: Add {W}, {B}, or {G}.$Cycling {2}|
 Ketria Crystal|Ikoria: Lair of Behemoths|236|U|{3}|Artifact|||{T}: Add {G}, {U}, or {R}.$Cycling {2}|
+The Ozolith|Ikoria: Lair of Behemoths|237|R|{1}|Legendary Artifact|||Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.$At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.|
 Raugrin Crystal|Ikoria: Lair of Behemoths|238|U|{3}|Artifact|||{T}: Add {U}, {R}, or {W}.$Cycling {2}|
 Savai Crystal|Ikoria: Lair of Behemoths|239|U|{3}|Artifact|||{T}: Add {R}, {W}, or {B}.$Cycling {2}|
 Zagoth Crystal|Ikoria: Lair of Behemoths|242|U|{3}|Artifact|||{T}: Add {B}, {G}, or {U}.$Cycling {2}|
@@ -36920,6 +36932,7 @@ Eternal Dragon|Commander 2020|88|R|{5}{W}{W}|Creature - Dragon Spirit|5|5|Flying
 Jace, Architect of Thought|Commander 2020|114|M|{2}{U}{U}|Legendary Planeswalker - Jace|4|+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.$−2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.$−8: For each player, search that player's library for a nonland card and exile it, then that player shuffles their library. You may cast those cards without paying their mana costs.|
 Deadly Tempest|Commander 2020|131|R|{4}{B}{B}|Sorcery|||Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.|
 Alesha, Who Smiles at Death|Commander 2020|143|R|{2}{R}|Legendary Creature - Human Warrior|3|2|First strike$Whenever Alesha, Who Smiles at Death attacks, you may pay {W/B}{W/B}. If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.|
+Lightning Rift|Commander 2020|155|U|{1}{R}|Enchantment|||Whenever a player cycles a card, you may pay {1}. If you do, Lightning Rift deals 2 damage to any target.|
 Shared Animosity|Commander 2020|158|R|{2}{R}|Enchantment|||Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.|
 Animist's Awakening|Commander 2020|166|R|{X}{G}|Sorcery|||Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order.$Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.|
 Crop Rotation|Commander 2020|169|C|{G}|Instant|||As an additional cost to cast this spell, sacrifice a land.$Search your library for a land card and put that card onto the battlefield. Then shuffle your library.|