Phyrexian Colossus is a rare Artifact Creature — Phyrexian Golem card from Urza's Saga (USG), collector number 305. Current market price: $1.50, 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.