Mandate of PeaceMandate of Peace is perfect for both aggressive and combo decks, allowing you to swing out without fear of repercussion from the most threatening player on board, or allowing you to get that one extra turn to survive and combo off
Incidentally, equipping this to said costly Commander can usually ensure two or even one-shot knockouts with Commander Damage, which is pretty spicy indeed
But things can get really silly when you change that creature into a vampire
Importantly, only three of the five cards from the new Doctor Who Secret Lair have been revealed, so definitely keep an eye out for the remaining spoilers.
Thats unexpected
Youre also on a given plane doing battle, so you could be on Alara at a given moment but then planeswalk to Tarkir, and after that planeswalk to Ravnica, and so on