Face-down creatures you control have "2UB: Turn this creature face up. If you can't, exile it, then you may cast the exiled card without paying its mana cost."
Whenever an Assassin you control deals combat damage to an opponent, cloak the top card of that player's library.
NM-Mint Foil - $2.60
Lightly Played Foil - $2.30
Moderately Played Foil - $2.10
Heavily Played Foil - $1.80
Damaged Foil - $1.30
NM-Mint Foil Non English - $2.60
Lightly Played Foil Non English - $2.30
Moderately Played Foil Non English - $2.10
Heavily Played Foil Non English - $1.80
Damaged Foil Non English - $1.30