Szat's Will is a rare Instant card from Commander Legends (CMR), collector number 152. Current market price: $0.87 (foil $1.54), TCGplayer market prices via Scryfall.
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.