Roche, Merciless Killer

Vigilance, First Strike Creature cards in your hand, Graveyard, and Library have Ambush (Play this card face down for {3}, it is a colorless 2/2 creature. during any combat phase, you may flip this card face up for its mana cost, reducing it by {1} for each attacking Creature.) Facedown Creatures you control have Hexproof Whenever a card enters your control face down, create a 1/1 Human Soldier Creature Token{/fontsize41}