Szat's Will

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Each opponent sacrifices a creature they control with the greatest power. • Exile all opponents' graveyards, then create X 0/1 black Thrull creature tokens, where X is the greatest power among creature cards exiled this way.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ohma2co31pb1h2e1sokov.