From 6c4310738772d8b1d9d71935b68f88fc6ab0cc7e Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Fri, 6 Sep 2019 20:25:51 -0400
Subject: [PATCH] Implemented Knight's Charge

---
 Mage.Sets/src/mage/cards/k/KnightsCharge.java | 88 +++++++++++++++++++
 Mage.Sets/src/mage/sets/ThroneOfEldraine.java |  1 +
 2 files changed, 89 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/k/KnightsCharge.java

diff --git a/Mage.Sets/src/mage/cards/k/KnightsCharge.java b/Mage.Sets/src/mage/cards/k/KnightsCharge.java
new file mode 100644
index 0000000000..31d33c18a2
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/k/KnightsCharge.java
@@ -0,0 +1,88 @@
+package mage.cards.k;
+
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksCreatureYouControlTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.SacrificeSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.LoseLifeOpponentsEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.CardsImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public final class KnightsCharge extends CardImpl {
+
+    private static final FilterControlledCreaturePermanent filter
+            = new FilterControlledCreaturePermanent(SubType.KNIGHT);
+
+    public KnightsCharge(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{W}{B}");
+
+        // Whenever a Knight you control attacks, each opponent loses 1 life and you gain 1 life.
+        Ability ability = new AttacksCreatureYouControlTriggeredAbility(
+                new LoseLifeOpponentsEffect(1), false, filter
+        );
+        ability.addEffect(new GainLifeEffect(1).concatBy("and"));
+        this.addAbility(ability);
+
+        // {6}{W}{B}, Sacrifice Knights' Charge: Return all Knight creature cards from your graveyard to the battlefield.
+        ability = new SimpleActivatedAbility(new KnightsChargeEffect(), new ManaCostsImpl("{6}{W}{B}"));
+        ability.addCost(new SacrificeSourceCost());
+        this.addAbility(ability);
+    }
+
+    private KnightsCharge(final KnightsCharge card) {
+        super(card);
+    }
+
+    @Override
+    public KnightsCharge copy() {
+        return new KnightsCharge(this);
+    }
+}
+
+class KnightsChargeEffect extends OneShotEffect {
+
+    KnightsChargeEffect() {
+        super(Outcome.Benefit);
+        staticText = "return all Knight creature cards from your graveyard to the battlefield";
+    }
+
+    private KnightsChargeEffect(final KnightsChargeEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public KnightsChargeEffect copy() {
+        return new KnightsChargeEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        return player != null && player.moveCards(new CardsImpl(
+                player.getGraveyard()
+                        .getCards(game)
+                        .stream()
+                        .filter(Card::isCreature)
+                        .filter(card -> card.hasSubtype(SubType.KNIGHT, game))
+                        .collect(Collectors.toSet())
+        ), Zone.BATTLEFIELD, source, game);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/ThroneOfEldraine.java b/Mage.Sets/src/mage/sets/ThroneOfEldraine.java
index 8e9a0e7242..f5c92aee17 100644
--- a/Mage.Sets/src/mage/sets/ThroneOfEldraine.java
+++ b/Mage.Sets/src/mage/sets/ThroneOfEldraine.java
@@ -54,6 +54,7 @@ public final class ThroneOfEldraine extends ExpansionSet {
         cards.add(new SetCardInfo("Golden Egg", 220, Rarity.COMMON, mage.cards.g.GoldenEgg.class));
         cards.add(new SetCardInfo("Heraldic Banner", 222, Rarity.UNCOMMON, mage.cards.h.HeraldicBanner.class));
         cards.add(new SetCardInfo("Inspiring Veteran", 194, Rarity.UNCOMMON, mage.cards.i.InspiringVeteran.class));
+        cards.add(new SetCardInfo("Knights' Charge", 328, Rarity.RARE, mage.cards.k.KnightsCharge.class));
         cards.add(new SetCardInfo("Lovestruck Beast", 165, Rarity.RARE, mage.cards.l.LovestruckBeast.class));
         cards.add(new SetCardInfo("Mace of the Valiant", 314, Rarity.RARE, mage.cards.m.MaceOfTheValiant.class));
         cards.add(new SetCardInfo("Maraleaf Pixie", 196, Rarity.UNCOMMON, mage.cards.m.MaraleafPixie.class));