[FOIL] X (UST)
From The List & Mystery Booster
Card details
Legendary Creature - Human Spy
Rare
As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with his or her hand revealed., 
: Put X into target opponent's hand.
: You may play a card in the same hand as X without paying its mana cost.
Artist: Dmitry Burmak
Card details
Legendary Creature - Human Spy
Rare
As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with his or her hand revealed., : Put X into target opponent's hand.: You may play a card in the same hand as X without paying its mana cost.
Artist: Dmitry Burmak
All versions of X
