Temple of Atropos is a common Plane — Time card from Doctor Who (WHO), collector number 602. Current market price: $0.24, TCGplayer market prices via Scryfall.
At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.) When chaos ensues, reverse the game's turn order. Then planeswalk. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)