Mycosynth Golem 5DN-137/5075 (The List Reprints)

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.)

NM - $99.50
LP - $80.00
MP - $60.00
HP - $40.00
DMG - $20.00