Herald of Anguish

艱苦の伝令 (Herald of Anguish) (ja)

Creature - Demon | Power/Toughness: 5 / 5 (CMC 7)
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.