From a30e628b2d49547eda4511a4361aa018a585f491 Mon Sep 17 00:00:00 2001
From: gp66 <garyprince66@hotmail.com>
Date: Tue, 7 Jul 2020 13:41:24 -0500
Subject: [PATCH] add essence symbiote

---
 .../src/mage/cards/e/EssenceSymbiote.java     | 86 ++++++++++++++++++-
 1 file changed, 85 insertions(+), 1 deletion(-)

diff --git a/Mage.Sets/src/mage/cards/e/EssenceSymbiote.java b/Mage.Sets/src/mage/cards/e/EssenceSymbiote.java
index 093f2f4314..6dc3cd672b 100644
--- a/Mage.Sets/src/mage/cards/e/EssenceSymbiote.java
+++ b/Mage.Sets/src/mage/cards/e/EssenceSymbiote.java
@@ -2,10 +2,26 @@ package mage.cards.e;
 
 import java.util.UUID;
 import mage.MageInt;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.abilities.keyword.MutateAbility;
 import mage.constants.SubType;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
+import mage.abilities.Ability;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.counter.AddCountersTargetEffect;
+import mage.constants.Zone;
+import mage.counters.CounterType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.filter.predicate.mageobject.AbilityPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.targetpointer.FixedTarget;
 
 /**
  *
@@ -13,14 +29,26 @@ import mage.constants.CardType;
  */
 public final class EssenceSymbiote extends CardImpl {
 
+    private static final FilterPermanent filter = new FilterControlledCreaturePermanent("creature you control mutates");
+
+    static {
+        filter.add(new AbilityPredicate(MutateAbility.class));
+    }
+
     public EssenceSymbiote(UUID ownerId, CardSetInfo setInfo) {
         super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{G}");
-        
+
         this.subtype.add(SubType.BEAST);
         this.power = new MageInt(2);
         this.toughness = new MageInt(2);
 
         // Whenever a creature you control mutates, put a +1/+1 counter on that creature and you gain 2 life.
+        Ability ability = new EssenceSymbioteTriggeredAbility(Zone.BATTLEFIELD,
+                new AddCountersTargetEffect(CounterType.P1P1.createInstance()).setText("put a +1/+1 counter on that creature"),
+                filter);
+        // You gain 2 life when Essence Symbiote’s ability resolves, even if you can’t put a +1/+1 counter on the mutated creature
+        ability.addEffect(new GainLifeEffect(2).concatBy("and"));
+        this.addAbility(ability);
     }
 
     private EssenceSymbiote(final EssenceSymbiote card) {
@@ -32,3 +60,59 @@ public final class EssenceSymbiote extends CardImpl {
         return new EssenceSymbiote(this);
     }
 }
+
+class EssenceSymbioteTriggeredAbility extends TriggeredAbilityImpl {
+
+    private final FilterPermanent filter;
+
+    public EssenceSymbioteTriggeredAbility(Zone zone, Effect effect, FilterPermanent filter) {
+        super(zone, effect, false);
+        this.filter = filter;
+    }
+
+    public EssenceSymbioteTriggeredAbility(final mage.cards.e.EssenceSymbioteTriggeredAbility ability) {
+        super(ability);
+        this.filter = ability.filter;
+    }
+
+    @Override
+    public mage.cards.e.EssenceSymbioteTriggeredAbility copy() {
+        return new mage.cards.e.EssenceSymbioteTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        // TODO: Implement this
+        //return event.getType() == GameEvent.EventType.CREATURE_MUTATED;
+        return false;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        // TODO: Implement this
+        /*
+        Permanent sourcePermanent = game.getPermanent(event.getSourceId());
+        Permanent targetPermanent = game.getPermanent(event.getTargetId());
+        if (sourcePermanent != null && targetPermanent != null) {
+            Player controller = game.getPlayer(targetPermanent.getControllerId());
+            if (controller != null
+                    && event.getTargetId().equals(targetPermanent.getId())
+                    && controller.getId().equals(sourcePermanent.getControllerId())
+                    && this.isControlledBy(controller.getId())) {
+                for (Effect effect : this.getEffects()) {
+                    effect.setValue("targetId", targetPermanent.getId());
+                    effect.setTargetPointer(new FixedTarget(targetPermanent.getId(), targetPermanent.getZoneChangeCounter(game)));
+                }
+                return true;
+            }
+        }
+        */
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever a creature you control mutates, " + super.getRule();
+    }
+
+}
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