7173-91457, Invented Inventor

Artifact creatures you control have +1/+1 for
each leadership counter on this creature.
{1}{c}{c},{t}, Exert 7173-92457, Invented Inventor: Invent. (Search your library or graveyard for an
artifact card and put it into your hand. Shuffle your library if you searched it this way.)
{2}{c}{c}{c},{t}: Put a leadership counter on
7173-91457, Invented Inventor.