Ticket Booth / Tunnel of Hate - Duskmourn: House of Horror (DSK)

Enchantment - Room

Common - Duskmourn: House of Horror (DSK)

(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.)

Ticket Booth - 2, Red

When you unlock this door, manifest dread.

Tunnel of Hate - 4, Red, Red

Whenever you attack, target attacking creature gains double strike until end of turn.