Phyrexian Soulgorger is a rare Snow Artifact Creature — Phyrexian Construct card from Coldsnap (CSP), collector number 141. Current market price: $11.01 (foil $34.93), TCGplayer market prices via Scryfall.
Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)