Malcator, Purity Overseer is a rare Legendary Creature — Phyrexian Elephant Wizard card from Phyrexia: All Will Be One Promos (PONE), collector number 208p. Current market price: $0.26 (foil $0.35), TCGplayer market prices via Scryfall.
When Malcator enters, create a 3/3 colorless Phyrexian Golem artifact creature token. At the beginning of your end step, if three or more artifacts entered the battlefield under your control this turn, create a 3/3 colorless Phyrexian Golem artifact creature token.