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 - $2.90
Lightly Played - $2.80
Moderately Played - $2.60
Heavily Played - $2.30
Damaged - $1.90
NM-Mint Non English - $2.90
Lightly Played Non English - $2.80
Moderately Played Non English - $2.60
Heavily Played Non English - $2.30
Damaged Non English - $1.90