(gain the next level as a sorcery to add its ability.)
whenever a creature you controls deals combat damage to a player, exile the top card of that player's library face down. you may look at it for as long as it remains exiled.
1ub: level 2
creatures you control have menace.
2ub: level 3
you may play cards exiled with rogue class, and you may spend mana as through it were mana of any color to cast them.
