Mycosynth Golem is a rare Artifact Creature — Golem card from Secret Lair Drop (SLD), collector number 1433. Current market price: $60.93, TCGplayer market prices via Scryfall.
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Artifact creature spells you cast have affinity for artifacts. (They cost {1} less to cast for each artifact you control.)