Argentum Masticore (Extended Art) - #393

Set: Phyrexia: All Will Be One
Type: Artifact Creature — Phyrexian Masticore
Cost:
Color: Colorless

First strike, protection from multicolored
At the beginning of your upkeep, sacrifice Argentum Masticore unless you discard a card. When you discard a card this way, destroy target nonland permanent an opponent controls with mana value less than or equal to the mana value of the discarded card.