Don & Raph, Hard Science is a rare Legendary Creature — Mutant Ninja Turtle card from Teenage Mutant Ninja Turtles (TMT), collector number 144. Current market price: $0.29 (foil $0.34), TCGplayer market prices via Scryfall.
Menace Whenever Don & Raph attack, the next noncreature spell you cast this turn has affinity for artifacts. (It costs {1} less to cast for each artifact you control.)