Herald of Anguish
Herald of Anguish {5}{B}{B}
Creature - Demon | Power/Toughness: 5 / 5
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
At the beginning of your end step, each opponent discards a card.
{1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.
Latest set: [AER] Aether Revolt ( M · #64 )