diff --git a/Mage.Sets/src/mage/cards/a/ArgentumMasticore.java b/Mage.Sets/src/mage/cards/a/ArgentumMasticore.java
new file mode 100644
index 0000000000..0bd42ad455
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/a/ArgentumMasticore.java
@@ -0,0 +1,117 @@
+package mage.cards.a;
+
+import java.util.UUID;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.common.delayed.ReflexiveTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.DestroyTargetEffect;
+import mage.abilities.keyword.ProtectionAbility;
+import mage.cards.Card;
+import mage.constants.*;
+import mage.abilities.keyword.FirstStrikeAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.filter.FilterObject;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterNonlandCard;
+import mage.filter.common.FilterNonlandPermanent;
+import mage.filter.predicate.mageobject.ManaValuePredicate;
+import mage.filter.predicate.mageobject.MulticoloredPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.TargetPermanent;
+import mage.target.common.TargetDiscard;
+
+/**
+ * @author TheElk801
+ */
+public final class ArgentumMasticore extends CardImpl {
+
+    private static final FilterObject<?> filter = new FilterObject<>("multicolored");
+
+    static {
+        filter.add(MulticoloredPredicate.instance);
+    }
+
+    public ArgentumMasticore(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT, CardType.CREATURE}, "{5}");
+
+        this.subtype.add(SubType.PHYREXIAN);
+        this.subtype.add(SubType.MASTICORE);
+        this.power = new MageInt(5);
+        this.toughness = new MageInt(5);
+
+        // First strike
+        this.addAbility(FirstStrikeAbility.getInstance());
+
+        // Protection from multicolored
+        this.addAbility(new ProtectionAbility(filter));
+
+        // At the beginning of your upkeep, sacrifice Argentum Masticore unless you discard a card. When you discard a card this way, destroy target nonland permanent an opponent controls with mana value less than or equal to the mana value of the discarded card.
+        this.addAbility(new BeginningOfUpkeepTriggeredAbility(
+                new ArgentumMasticoreEffect(), TargetController.YOU, false
+        ));
+    }
+
+    private ArgentumMasticore(final ArgentumMasticore card) {
+        super(card);
+    }
+
+    @Override
+    public ArgentumMasticore copy() {
+        return new ArgentumMasticore(this);
+    }
+}
+
+class ArgentumMasticoreEffect extends OneShotEffect {
+
+    ArgentumMasticoreEffect() {
+        super(Outcome.Benefit);
+        staticText = "sacrifice {this} unless you discard a card. When you discard a card this way, " +
+                "destroy target nonland permanent an opponent controls with mana value " +
+                "less than or equal to the mana value of the discarded card";
+    }
+
+    private ArgentumMasticoreEffect(final ArgentumMasticoreEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ArgentumMasticoreEffect copy() {
+        return new ArgentumMasticoreEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        if (player.getHand().isEmpty()
+                || (permanent != null && !player.chooseUse(outcome, "Discard a card?", source, game))) {
+            permanent.sacrifice(source, game);
+            return true;
+        }
+        TargetDiscard target = new TargetDiscard(player.getId());
+        player.choose(outcome, target, source, game);
+        Card card = game.getCard(target.getFirstTarget());
+        if (card == null && permanent != null) {
+            permanent.sacrifice(source, game);
+            return true;
+        }
+        FilterPermanent filter = new FilterNonlandPermanent(
+                "nonland permanent an opponent controls with mana value " + card.getManaValue() + " or less"
+        );
+        filter.add(TargetController.OPPONENT.getControllerPredicate());
+        filter.add(new ManaValuePredicate(ComparisonType.FEWER_THAN, card.getManaValue() + 1));
+        ReflexiveTriggeredAbility ability = new ReflexiveTriggeredAbility(new DestroyTargetEffect(), false);
+        ability.addTarget(new TargetPermanent(filter));
+        game.fireReflexiveTriggeredAbility(ability, source);
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java b/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java
index 68e73ee836..47eaea5c5e 100644
--- a/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java
+++ b/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java
@@ -20,6 +20,7 @@ public final class PhyrexiaAllWillBeOne extends ExpansionSet {
         this.blockName = "Phyrexia: All Will Be One";
         this.hasBoosters = false; // temporary
 
+        cards.add(new SetCardInfo("Argentum Masticore", 222, Rarity.RARE, mage.cards.a.ArgentumMasticore.class));
         cards.add(new SetCardInfo("Blackcleave Cliffs", 248, Rarity.RARE, mage.cards.b.BlackcleaveCliffs.class));
         cards.add(new SetCardInfo("Bloated Contaminator", 159, Rarity.RARE, mage.cards.b.BloatedContaminator.class));
         cards.add(new SetCardInfo("Blue Sun's Twilight", 43, Rarity.RARE, mage.cards.b.BlueSunsTwilight.class));