Fleshless Gladiator is a common Creature — Phyrexian Skeleton card from Phyrexia: All Will Be One (ONE), collector number 94. Current market price: $0.14 (foil $0.25), TCGplayer market prices via Scryfall.
Corrupted — {2}{B}: Return this card from your graveyard to the battlefield tapped. You lose 1 life. Activate only if an opponent has three or more poison counters.