(This Crossgear is put into your Mana Zone tapped.) Evolution - Put it on top of a Fire or Darkness Crossgear. The Crossed creature can attack untapped creatures. When the crossed creature wins a battle, look at your opponent's hand. Your opponent puts all cards from his hand, Mana Zone, Graveyard, and/or Battle Zone with the same name as the creature that lost the battle at the bottom of his/her deck.