Chrome Dome is a rare Artifact Creature — Robot Ninja card from Teenage Mutant Ninja Turtles (TMT), collector number 276. Current market price: $2.84 (foil $4.45), TCGplayer market prices via Scryfall.
Other artifact creatures you control get +1/+0. {5}: Create a token that's a copy of another target artifact you control. That token gains haste. Sacrifice it at the beginning of the next end step.