Metallic Mimic is a rare Artifact Creature — Shapeshifter card from Innistrad Remastered (INR), collector number 268. Current market price: $2.89 (foil $3.70), TCGplayer market prices via Scryfall.
As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.