Grove of the Dreampods [Planechase 2012 Planes]

When you planeswalk to Grove of the Dreampods or at the beginning of your upkeep, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.
Whenever you roll {CHAOS}, return target creature card from your graveyard to the battlefield.