Commander's Plate is a mythic Artifact — Equipment card from Teenage Mutant Ninja Turtles Eternal (TMC), collector number 135. Current market price: — (foil $32.07), TCGplayer market prices via Scryfall.
Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}