Solemn Simulacrum is a rare Artifact Creature — Golem card from Core Set 2021 Promos (PM21), collector number 239p. Current market price: $0.50 (foil $1.19), 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.