Bounty Collection

Exile target creature with mana value 2+X
or less where X is the total mana value of cards
exiled with Bounty Collection. Cards exiled this
way remain exiled until end of Cubesession.
When there are three or more cards exiled
with Bounty Collection, transform it and shuffle
it into its owners library.
Reclaim Bounty —{4}{w}{w}