As an additional cost to cast this spell, you may sacrifice a non-Demon creature.

Flying

When Graven Archfiend enters the battlefield, if its additional cost was paid, conjure a card named Demonic Pact onto the battlefield.

As an additional cost to cast this spell, you may sacrifice a non-Demon creature.

Flying

When Graven Archfiend enters the battlefield, if its additional cost was paid, conjure a card named Demonic Pact onto the battlefield.

你可以牺牲一个非恶魔的生物，以作为施放此咒语的额外费用。

飞行

当铭刻翼邪鬼进战场时，若曾支付其额外费用，则将一张名称为恶魔契约的牌幻变进战场。