* Added card hints to Avatar of Might, Avatar of Will, Avatar of Woe, Dusk Feaster, Rekindled Flame;

* Refactor: removed custom spell cost reduction effects;

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

@@ -0,0 +1,36 @@
+package mage.abilities.condition.common;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author JayDi85
+ */
+
+public enum OpponentHasNoCardsInHandCondition implements Condition {
+
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player != null) {
+            for (UUID playerId : game.getOpponents(source.getControllerId())) {
+                Player opponent = game.getPlayer(playerId);
+                if (opponent != null && opponent.getHand().isEmpty()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "an opponent has no cards in hand";
+    }
+}