Shmoo, The Unyielding

Delve (Each card you exile from your graveyard
while casting this spell pays for {1}.)
Shmoo, The Unyielding enters the battlefield
with a number of +1/+1 counters on it equal
to the amount of mana spent to cast it.
Each card you own that isn't on the battlefield
with converted mana cost equal to Shmoo, The
Unyielding's power has delve.