mtg x men cards X-Men meets - xmen post 2016 Partner Commanders (Xmen Edition)

In other words, there's no way to have the ability trigger if no permanent you controlled has left the battlefield that turn, even if you intend to have one do so in response to the triggered ability

(Enter the first room or advance to the next room.) Whenever Barrowin attacks, return up to one creature card with mana value 3 or less from your graveyard to the battlefield if youve completed a dungeon

This is because changeling applies before the effect that removes it

This was a great way to stress-test whether I had put too much power in undesirable places, and an early mistake that I had made was featuring too many game-state-agnostic two-for-ones

If there's a tie, you choose one of them at that time

It also is the perfect counter to effects like Cyclonic Rift