Name: Diamond Knight Cost: 3 CMC: 3 Color: CID: Type: Artifact Creature -- Knight Pow/Tgh: 1/1 Rules Text: Vigilance (Attacking doesn't cause this creature to tap.) As this creature enters, choose a color. Whenever you cast a spell of the chosen color, put a +1/+1 counter on this creature. Set/Rarity: Core Set 2020 uncommon Legality: Legal in modern, Legal in legacy, Legal in historic, Legal in penny, Legal in vintage, Legal in duel, Legal in commander, Legal in pioneer, Legal in brawl, Legal in timeless, Legal in oathbreaker, Legal in gladiator Price: $0.26 Foil price: $0.38