Slave I

Flying

Unearth {r}{r} ({r}{r}: Return this card from your
graveyard to the battlefield. It gains haste. Exile it
at the beginning of the next end step or if it would
leave the battlefield. Unearth only as a sorcery.)

Crew 4 (Tap any number of creatures you control
with total power 4 or more: This Vehicle becomes
an artifact creature until end of turn.)