You may have Imposter Mech enter the battlefield as a copy of a creature an opponent controls, except its a Vehicle artifact with crew 3 and it loses all other card types.
Crew 3
The best way to fight evil is with its own weapons.
NM-Mint - $2.70
Lightly Played - $2.50
Moderately Played - $2.40
Heavily Played - $2.10
Damaged - $1.70
NM-Mint Non English - $2.70
Lightly Played Non English - $2.50
Moderately Played Non English - $2.40
Heavily Played Non English - $2.10
Damaged Non English - $1.70