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.

/

Tortured Pit

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)