Spiked Corridor

When you unlock this door, create three 1/1 red Devil creture tokens with "When this creature dies, it deals 1 damagae to any target.

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Tortured Pit

If a source you control would deal noncombat damage to an opponent, it deals that much damage plus 2 instead.

When you unlock this door, create three 1/1 red Devil creature tokens with "When this token dies, it deals 1 damage to any target."
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

If a source you control would deal noncombat damage to an opponent, it deals that much damage plus 2 instead.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)