Start implementing Giant Oyster

Mage.Sets/src/mage/cards/g/GiantOyster.java

@@ -0,0 +1,83 @@
+package mage.cards.g;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SkipUntapOptionalAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
+import mage.abilities.effects.common.DontUntapAsLongAsSourceTappedEffect;
+import mage.abilities.effects.common.TapTargetEffect;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Zone;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.TappedPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.target.common.TargetCreaturePermanent;
+
+/**
+ *
+ * @author noahg
+ */
+public final class GiantOyster extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("tapped creature");
+
+    static {
+        filter.add(new TappedPredicate());
+    }
+
+    public GiantOyster(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{U}{U}");
+        
+        this.subtype.add(SubType.OYSTER);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(3);
+
+        // You may choose not to untap Giant Oyster during your untap step.
+        this.addAbility(new SkipUntapOptionalAbility());
+
+        // {tap}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.
+        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DontUntapAsLongAsSourceTappedEffect(), new TapSourceCost());
+        ability.addTarget(new TargetCreaturePermanent(filter));
+        this.addAbility(ability);
+    }
+
+    public GiantOyster(final GiantOyster card) {
+        super(card);
+    }
+
+    @Override
+    public GiantOyster copy() {
+        return new GiantOyster(this);
+    }
+}
+
+class GiantOysterDrawStepDelayedTriggeredAbility extends DelayedTriggeredAbility {
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType().equals(GameEvent.EventType.DRAW_STEP_PRE);
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if (event.getPlayerId().equals(getControllerId()) && game.getPermanent(getSourcePermanentIfItStillExists())){
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public DelayedTriggeredAbility copy() {
+        return null;
+    }
+}

Mage.Sets/src/mage/sets/Homelands.java

@@ -103,6 +103,7 @@ public final class Homelands extends ExpansionSet {
         cards.add(new SetCardInfo("Forget", 26, Rarity.RARE, mage.cards.f.Forget.class));
         cards.add(new SetCardInfo("Funeral March", 48, Rarity.UNCOMMON, mage.cards.f.FuneralMarch.class));
         cards.add(new SetCardInfo("Ghost Hounds", 49, Rarity.UNCOMMON, mage.cards.g.GhostHounds.class));
+        cards.add(new SetCardInfo("Giant Oyster", 35, Rarity.UNCOMMON, mage.cards.g.GiantOyster.class));
         cards.add(new SetCardInfo("Grandmother Sengir", 50, Rarity.RARE, mage.cards.g.GrandmotherSengir.class));
         cards.add(new SetCardInfo("Greater Werewolf", 51, Rarity.UNCOMMON, mage.cards.g.GreaterWerewolf.class));
         cards.add(new SetCardInfo("Hazduhr the Abbot", 8, Rarity.RARE, mage.cards.h.HazduhrTheAbbot.class));

Mage.Sets/src/mage/sets/TimeSpiralTimeshifted.java

@@ -67,6 +67,7 @@ public final class TimeSpiralTimeshifted extends ExpansionSet {
         cards.add(new SetCardInfo("Gaea's Liege", 78, Rarity.SPECIAL, mage.cards.g.GaeasLiege.class));
         cards.add(new SetCardInfo("Gemstone Mine", 119, Rarity.RARE, mage.cards.g.GemstoneMine.class));
         cards.add(new SetCardInfo("Ghost Ship", 21, Rarity.SPECIAL, mage.cards.g.GhostShip.class));
+        cards.add(new SetCardInfo("Giant Oyster", 22, Rarity.SPECIAL, mage.cards.g.GiantOyster.class));
         cards.add(new SetCardInfo("Goblin Snowman", 64, Rarity.UNCOMMON, mage.cards.g.GoblinSnowman.class));
         cards.add(new SetCardInfo("Grinning Totem", 110, Rarity.SPECIAL, mage.cards.g.GrinningTotem.class));
         cards.add(new SetCardInfo("Hail Storm", 79, Rarity.SPECIAL, mage.cards.h.HailStorm.class));