Hammerhead Tyrant [Tarkir: Dragonstorm Commander]

Set: Tarkir: Dragonstorm Commander Type: Creature — Dragon Rarity: Rare Cost: {4}{U}{U} FlyingWhenever you cast a spell, return up to one target nonland permanent an opponent controls with mana value less than or equal to that spell's mana value to its owner's hand. Without subjects, but a tyrant nonetheless.