Nightshade Assassin

CMC 4

Creature — Human Assassin

First strike When this creature enters, you may reveal X black cards in your hand. If you do, target creature gets -X/-X until end of turn. Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

P/T: 2/1