View on Scryfall

Imskir Iron-Eater

Legendary Creature — Demon

Affinity for artifacts (This spell costs less to cast for each artifact you control.) When Imskir enters, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down. , Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.