Herald of Anguish
From The Brothers' War Commander set
Herald of Anguish
Creature — Demon
5/5
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for
.)
Flying
At the beginning of your end step, each opponent discards a card.
, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.