Mycosynth Golem is a rare Artifact Creature — Golem card from The List (PLST), collector number 5DN-137. Current market price: $49.74, 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.)