Solemn Simulacrum is a rare Artifact Creature — Golem card from Core Set 2021 (M21), collector number 319. Current market price: $1.26 (foil $2.98), TCGplayer market prices via Scryfall.
When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.