From 1f2c8ec650758859b13b9c8b373f20044178c671 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Mon, 6 Jun 2022 07:34:41 -0400
Subject: [PATCH] [CLB] Implemented Green Slime

---
 Mage.Sets/src/mage/cards/g/GreenSlime.java    | 108 ++++++++++++++++++
 .../CommanderLegendsBattleForBaldursGate.java |   1 +
 2 files changed, 109 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/g/GreenSlime.java

diff --git a/Mage.Sets/src/mage/cards/g/GreenSlime.java b/Mage.Sets/src/mage/cards/g/GreenSlime.java
new file mode 100644
index 00000000000..6487e82846d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/g/GreenSlime.java
@@ -0,0 +1,108 @@
+package mage.cards.g;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.keyword.FlashAbility;
+import mage.abilities.keyword.ForetellAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.FilterStackObject;
+import mage.filter.predicate.Predicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.game.stack.StackAbility;
+import mage.game.stack.StackObject;
+import mage.target.TargetStackObject;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class GreenSlime extends CardImpl {
+
+    private static final FilterStackObject filter
+            = new FilterStackObject("activated or triggered ability from an artifact or enchantment source");
+
+    static {
+        filter.add(GreenSlimePredicate.instance);
+    }
+
+    public GreenSlime(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{G}");
+
+        this.subtype.add(SubType.OOZE);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // When Green Slime enters the battlefield, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new GreenSlimeEffect());
+        ability.addTarget(new TargetStackObject(filter));
+        this.addAbility(ability);
+
+        // Foretell {G}
+        this.addAbility(new ForetellAbility(this, "{G}"));
+    }
+
+    private GreenSlime(final GreenSlime card) {
+        super(card);
+    }
+
+    @Override
+    public GreenSlime copy() {
+        return new GreenSlime(this);
+    }
+}
+
+enum GreenSlimePredicate implements Predicate<StackObject> {
+    instance;
+
+    @Override
+    public boolean apply(StackObject input, Game game) {
+        if (!(input instanceof StackAbility)) {
+            return false;
+        }
+        MageObject sourceObject = input.getStackAbility().getSourceObject(game);
+        return sourceObject != null && (sourceObject.isArtifact(game) || sourceObject.isEnchantment(game));
+    }
+}
+
+class GreenSlimeEffect extends OneShotEffect {
+
+    GreenSlimeEffect() {
+        super(Outcome.Benefit);
+        staticText = "counter target activated or triggered ability from an artifact or enchantment source. " +
+                "If a permanent's ability is countered this way, destroy that permanent";
+    }
+
+    private GreenSlimeEffect(final GreenSlimeEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public GreenSlimeEffect copy() {
+        return new GreenSlimeEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        StackObject stackObject = game.getStack().getStackObject(getTargetPointer().getFirst(game, source));
+        if (stackObject == null) {
+            return false;
+        }
+        Permanent permanent = stackObject.getStackAbility().getSourcePermanentIfItStillExists(game);
+        if (game.getStack().counter(stackObject.getId(), source, game) && permanent != null) {
+            permanent.destroy(source, game);
+        }
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
index 5dc30c7e603..2f4d18ba7cc 100644
--- a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
+++ b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
@@ -270,6 +270,7 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Grazilaxx, Illithid Scholar", 723, Rarity.RARE, mage.cards.g.GrazilaxxIllithidScholar.class));
         cards.add(new SetCardInfo("Greater Gargadon", 796, Rarity.RARE, mage.cards.g.GreaterGargadon.class));
         cards.add(new SetCardInfo("Greatsword of Tyr", 22, Rarity.COMMON, mage.cards.g.GreatswordOfTyr.class));
+        cards.add(new SetCardInfo("Green Slime", 680, Rarity.RARE, mage.cards.g.GreenSlime.class));
         cards.add(new SetCardInfo("Grim Haruspex", 754, Rarity.RARE, mage.cards.g.GrimHaruspex.class));
         cards.add(new SetCardInfo("Grim Hireling", 755, Rarity.RARE, mage.cards.g.GrimHireling.class));
         cards.add(new SetCardInfo("Grumgully, the Generous", 847, Rarity.UNCOMMON, mage.cards.g.GrumgullyTheGenerous.class));