Rivel Ziggin, Derby Racer

Eminence: Whenever vehicle is is put into
graveyard from battlefield, you get an
experience counter or {e} and create Wreck
artifact token.

Sacrifice two wreck artifact you control: Search
in your library or graveyard for a part and put
it into your hand, if its mana cost is lower than number of your experience counters you may
put it into your battlefield instead.