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.
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.
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.