March of the Machine Commander

Grove of the Dreampods

When you planeswalk to Grove of the Dreampods and 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 chaos ensues, return target creature card from your graveyard to the battlefield.

Planechase Anthology 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.

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.