Phyrexian Colossus is a rare Artifact Creature — Phyrexian Golem card from Duel Decks: Phyrexia vs. the Coalition (DDE), collector number 16. Current market price: $0.19, TCGplayer market prices via Scryfall.
This creature doesn't untap during your untap step. Pay 8 life: Untap this creature. This creature can't be blocked except by three or more creatures.