Knight Bus

Trample, haste
When Knight Bus enters the battlefield, it
becomes an artifact creature until end of turn.
Crew 2 (Tap any number of creatures you control
with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)
Yeah, take it away Ernie! Fasten your saftey belts,
clench your buttocks! its going to be a bumpy ride!