Extract a Confession is a common Sorcery card from Murders at Karlov Manor (MKM), collector number 84. Current market price: $0.27 (foil $0.23), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.) Each opponent sacrifices a creature of their choice. If evidence was collected, instead each opponent sacrifices a creature with the greatest power among creatures they control.