[DMU] Implemented Ertai's Scorn

Mage.Sets/src/mage/cards/e/ErtaisScorn.java

@@ -0,0 +1,72 @@
+package mage.cards.e;
+
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.CounterTargetEffect;
+import mage.abilities.effects.common.cost.SpellCostReductionSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.target.TargetSpell;
+import mage.watchers.common.CastSpellLastTurnWatcher;
+
+/**
+ *
+ * @author weirddan455
+ */
+public final class ErtaisScorn extends CardImpl {
+
+    public ErtaisScorn(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{1}{U}{U}");
+
+        // This spell costs {U} less to cast if an opponent cast two or more spells this turn.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.ALL,
+                new SpellCostReductionSourceEffect(
+                        new ManaCostsImpl<>("{U}"),
+                        ErtaisScornCondition.instance
+                )
+        ).setRuleAtTheTop(true), new CastSpellLastTurnWatcher());
+
+        // Counter target spell.
+        this.getSpellAbility().addTarget(new TargetSpell());
+        this.getSpellAbility().addEffect(new CounterTargetEffect());
+    }
+
+    private ErtaisScorn(final ErtaisScorn card) {
+        super(card);
+    }
+
+    @Override
+    public ErtaisScorn copy() {
+        return new ErtaisScorn(this);
+    }
+}
+
+enum ErtaisScornCondition implements Condition {
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        CastSpellLastTurnWatcher watcher = game.getState().getWatcher(CastSpellLastTurnWatcher.class);
+        if (watcher != null) {
+            for (UUID opponentId : game.getOpponents(source.getControllerId())) {
+                if (watcher.getAmountOfSpellsPlayerCastOnCurrentTurn(opponentId) >= 2) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "an opponent cast two or more spells this turn";
+    }
+}

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

@@ -85,6 +85,7 @@ public final class DominariaUnited extends ExpansionSet {
         cards.add(new SetCardInfo("Electrostatic Infantry", 122, Rarity.UNCOMMON, mage.cards.e.ElectrostaticInfantry.class));
         cards.add(new SetCardInfo("Elfhame Wurm", 161, Rarity.COMMON, mage.cards.e.ElfhameWurm.class));
         cards.add(new SetCardInfo("Elvish Hydromancer", 162, Rarity.UNCOMMON, mage.cards.e.ElvishHydromancer.class));
+        cards.add(new SetCardInfo("Ertai's Scorn", 48, Rarity.UNCOMMON, mage.cards.e.ErtaisScorn.class));
         cards.add(new SetCardInfo("Essence Scatter", 49, Rarity.COMMON, mage.cards.e.EssenceScatter.class));
         cards.add(new SetCardInfo("Evolved Sleeper", 93, Rarity.RARE, mage.cards.e.EvolvedSleeper.class));
         cards.add(new SetCardInfo("Extinguish the Light", 94, Rarity.COMMON, mage.cards.e.ExtinguishTheLight.class));