Zookeeper Mechan is a common Artifact Creature — Robot card from Edge of Eternities (EOE), collector number 170. Current market price: $0.25 (foil $0.29), TCGplayer market prices via Scryfall.
{T}: Add {R}. {6}{R}: Target creature you control gets +4/+0 until end of turn. Activate only as a sorcery.