Harbinger of the Tides [Duel Decks: Merfolk vs. Goblins]Set: Duel Decks: Merfolk vs. Goblins Type: Creature Merfolk Wizard Rarity: Rare Cost: {U}{U} You may cast Harbinger of the Tides as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) When Harbinger of the Tides enters the battlefield, you may return target tapped creature an opponent controls to its owner's hand.