Mobilizer Mech is a uncommon Artifact — Vehicle card from Kamigawa: Neon Dynasty (NEO), collector number 65. Current market price: $0.27 (foil $0.28), TCGplayer market prices via Scryfall.
Flying Whenever this Vehicle becomes crewed, up to one other target Vehicle you control becomes an artifact creature until end of turn. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)