If an ability triggers whenever you activate an exhaust ability, that ability resolves before the exhaust ability resolves
After all, Pokemon ex will be released in that set and the Sky Seal Stone says nothing about Pokemon ex
That includes cards featuring Avatar Aang, Sokka, Toph, Zuko, Katara, and the rest of the gang, each of which will make for powerful Commanders on the battlefield
Like if youre behind for example, these are all likely to hurt you more than they hurt your opponent
could not recommend donut experiment enough
'Final Fantasy's' Influence on MTG's Future Mechanics "Magic: The Gathering" will continue to transform, and we could only expect more about the crossover of MTG and Final Fantasy especially with how the mechanics will be brought for future updates