So, if some triggers go off between the resolution of Sundial of the Infinites ability and the beginning of the cleanup step, including those that trigger at the beginning of cleanup step, they all go onto the stack, the active player gets priority and then the usual chores
Ive managed to filter the cards I think will make a bigger impact in formats like Cube, EDH, but especially Standard
Cold-Eyed Selkie
So lets go over the drops, and the cards, and see where we want to put our money
If I were to build a deck out of any of the cards in the set this would be it, no questions asked
However, if you do, you must choose another available mode and bestow it upon an opponent of your choice