MANAHIVE

Equivalent cards to Central Elevator (blue, Enchantment — Room, similar search/Room synergy):
1. Central Elevator
2. Frostveined Dungeon – U, Enchantment — Room (When you unlock this door, scry 2.)
3. Waterlogged Passage – U, Enchantment — Room (When you unlock this door, draw a card.)
4. Archive Antechamber – U, Enchantment — Room (When you unlock this door, return an instant or sorcery from your graveyard to your hand.)

Reason: All are blue Enchantment — Room cards with a unique effect upon unlocking, matching the color and type, though exact 'search a Room' ability is unique to Central Elevator.