Sorcery

Blasphemous Edict

Blasphemous Edict trading card
Sorcery6 exact printings

You may pay {B} rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield. Each player sacrifices thirteen creatures of their choice.

From Magic: The Gathering.

Exact printings

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o1xi7025dpb1htqzuu0k5.