Darksteel Splicer is a rare Creature — Phyrexian Artificer card from March of the Machine Commander (MOC), collector number 100. Current market price: $2.48, TCGplayer market prices via Scryfall.
Whenever this creature or another nontoken Phyrexian you control enters, create X 3/3 colorless Phyrexian Golem artifact creature tokens, where X is the number of opponents you have. Golems you control have indestructible.