Smoky Lounge // Misty Salon (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.)
Smoky Lounge
At the beginning of your first main phase, add RR. Spend this mana only to cast Room spells and unlock doors.
/
Misty Salon
When you unlock this door, create an X/X blue Spirit creature token with flying, where X is the number of unlocked doors among Rooms you control.