Moldering Gym // Weight Room

(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.) Moldering Gym When you unlock this door, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. / Weight Room When you unlock this door, manifest dread, then put three +1/+1 counters on that creature.