Exile all creatures. Each player creates a 0/0 green and blue Fractal creature token and puts a number of +1/+1 counters on it equal to the total power of creatures they controlled that were exiled this way.
"A fine example of addition by subtraction."n—Deekah, professor of fractal theory
Oversimplify counts the total power of the creatures as they last existed on the battlefield, not the power of those cards in exile.
16-04-2021
wotc
If a commander is exiled this way, its power will be counted along with the other creatures. Once Oversimplify finishes resolving, that commander's owner may move it to the command zone.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.