Rise of the Dread Marn

マーンの戦慄の隆盛 (Rise of the Dread Marn) (ja)

Instant (CMC 3)
Create X 2/2 black Zombie Berserker creature tokens, where X is the number of nontoken creatures that died this turn.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)