Extract a Confession MKM/84

Set: Murders at Karlov Manor
Collector Code: MKM/84
Finish: Regular

Name: Extract a Confession
Type: Sorcery
Oracle text: 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.