[ECL] Implement Emptiness

Mage/src/main/java/mage/abilities/condition/common/TwoOfManaColorSpentCondition.java

@@ -0,0 +1,53 @@
+package mage.abilities.condition.common;
+
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.constants.AbilityType;
+import mage.constants.ColoredManaSymbol;
+import mage.game.Game;
+import mage.util.CardUtil;
+import mage.watchers.common.ManaSpentToCastWatcher;
+
+/**
+ * @author TheElk801
+ */
+public enum TwoOfManaColorSpentCondition implements Condition {
+    WHITE(ColoredManaSymbol.W),
+    BLUE(ColoredManaSymbol.U),
+    BLACK(ColoredManaSymbol.B),
+    RED(ColoredManaSymbol.R),
+    GREEN(ColoredManaSymbol.G);
+
+    private final ColoredManaSymbol coloredManaSymbol;
+
+    TwoOfManaColorSpentCondition(ColoredManaSymbol coloredManaSymbol) {
+        this.coloredManaSymbol = coloredManaSymbol;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        if (source.getAbilityType() == AbilityType.SPELL) {
+            return source.getManaCostsToPay().getUsedManaToPay().getColor(coloredManaSymbol) >= 2;
+        }
+        ManaSpentToCastWatcher watcher = game.getState().getWatcher(ManaSpentToCastWatcher.class);
+        if (watcher == null) {
+            return false;
+        }
+        Mana payment = watcher.getManaPayment(CardUtil.getSourceStackMomentReference(game, source));
+        if (payment == null) {
+            return false;
+        }
+        return payment.getColor(coloredManaSymbol) >= 2;
+    }
+
+    @Override
+    public boolean caresAboutManaColor() {
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "{" + coloredManaSymbol + "}{" + coloredManaSymbol + "} was spent to cast it";
+    }
+}