Extract a Confession - Murders at Karlov Manor - 84

Sorcery

Mana Cost: {1}{B}

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.

Common · Murders at Karlov Manor · #84 (MKM)

Illustrated by Peter Polach