When CARDNAME enters the battlefield, choose a plane at random from among all planechase planes. CARDNAME has all abilities of the last chosen plane. (Rolls of the planar die don't affect Polis.)

WUBRG: Flip a coin. If you win the flip, do CARDNAME'S chaos ensues effect. If you lose the flip, choose a new plane for CARDNAME.

Prize Card for the Unknown event at MagicCon Minneapolis, May 7, 2023.