Implemented Creeping Chill

Mage.Sets/src/mage/cards/c/CreepingChill.java

@@ -0,0 +1,74 @@
+package mage.cards.c;
+
+import java.util.UUID;
+import mage.abilities.common.ZoneChangeTriggeredAbility;
+import mage.abilities.costs.common.ExileSourceFromGraveCost;
+import mage.abilities.effects.common.DamagePlayersEffect;
+import mage.abilities.effects.common.DoIfCostPaid;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.TargetController;
+import mage.constants.Zone;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class CreepingChill extends CardImpl {
+
+    public CreepingChill(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{B}");
+
+        // Creeping Chill deals 3 damage to each opponent and you gain 3 life.
+        this.getSpellAbility().addEffect(
+                new DamagePlayersEffect(3, TargetController.OPPONENT)
+        );
+        this.getSpellAbility().addEffect(
+                new GainLifeEffect(3).setText("and you gain 3 life")
+        );
+
+        // When Creeping Chill is put into your graveyard from your library, you may exile it. If you do, Creeping Chill deals 3 damage to each opponent and you gain 3 life.
+        this.addAbility(new CreepingChillAbility());
+    }
+
+    public CreepingChill(final CreepingChill card) {
+        super(card);
+    }
+
+    @Override
+    public CreepingChill copy() {
+        return new CreepingChill(this);
+    }
+}
+
+class CreepingChillAbility extends ZoneChangeTriggeredAbility {
+
+    public CreepingChillAbility() {
+        super(
+                Zone.LIBRARY, Zone.GRAVEYARD,
+                new DoIfCostPaid(
+                        new DamagePlayersEffect(3, TargetController.OPPONENT),
+                        new ExileSourceFromGraveCost()
+                ).addEffect(new GainLifeEffect(3)),
+                "", true
+        );
+    }
+
+    public CreepingChillAbility(final CreepingChillAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public CreepingChillAbility copy() {
+        return new CreepingChillAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "When {this} is put into your graveyard from your library, "
+                + "you may exile it. If you do, {this} deals 3 damage "
+                + "to each opponent and you gain 3 life.";
+    }
+}

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

@@ -47,6 +47,7 @@ public final class GuildsOfRavnica extends ExpansionSet {
         cards.add(new SetCardInfo("Conclave Tribunal", 6, Rarity.UNCOMMON, mage.cards.c.ConclaveTribunal.class));
         cards.add(new SetCardInfo("Connive // Concoct", 222, Rarity.RARE, mage.cards.c.ConniveConcoct.class));
         cards.add(new SetCardInfo("Crackling Drake", 163, Rarity.UNCOMMON, mage.cards.c.CracklingDrake.class));
+        cards.add(new SetCardInfo("Creeping Chill", 66, Rarity.UNCOMMON, mage.cards.c.CreepingChill.class));
         cards.add(new SetCardInfo("Darkblade Agent", 164, Rarity.COMMON, mage.cards.d.DarkbladeAgent.class));
         cards.add(new SetCardInfo("Deadly Visit", 68, Rarity.COMMON, mage.cards.d.DeadlyVisit.class));
         cards.add(new SetCardInfo("Deafening Clarion", 165, Rarity.RARE, mage.cards.d.DeafeningClarion.class));

Mage/src/main/java/mage/abilities/effects/common/DoIfCostPaid.java

@@ -54,8 +54,9 @@ public class DoIfCostPaid extends OneShotEffect {
         this.optional = effect.optional;
     }
 
-    public void addEffect(Effect effect) {
+    public DoIfCostPaid addEffect(Effect effect) {
         executingEffects.add(effect);
+        return this;
     }
 
     @Override