X, Mystery Racer

Unknown Event · #RZ05i rare
Legendary Creature — Human Spy
Mana Cost 3 U B
When X enters, you may put it into target opponent's hand. If you do, as long as it remains in their hand, that player can't cast X and they play with their hand revealed. During your turn while X is in an opponent's hand, you may activate abilities of nonland permanents opponents control. If you activate the crew or saddle ability of a permanent this way, gain control of it until end of turn. Untap it. It gains haste until end of turn.
Color Identity B U
Power / Toughness 5 / 5