TCG Playability
Enchantment — Room // Enchantment — Room
When you unlock this door, return up to one target creature to its owner's hand. (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.)
This split enchantment offers flexible utility across multiple Magic formats, with both halves providing distinct strategic advantages depending on your game plan and deck construction. Bottomless Pool, the first mode costing just a single blue mana, serves as an efficient card advantage engine that synergizes beautifully with decks built around instant-speed interactions, draw effects, and control strategies. By allowing you to return a card from your graveyard to your hand whenever you cast a spell, Bottomless Pool generates incremental value while filling your graveyard with fodder for future plays, making it particularly attractive in decks that leverage the graveyard as a resource or abuse flash mechanics. This flexibility makes it an excellent fit for tempo decks, spell-slinger archetypes, and interactive blue shells that already want to cast multiple spells per turn. Locker Room, the transforming back side requiring four blue mana and a transformation trigger, provides a more powerful but slower payoff that essentially locks opponents out of drawing cards while you maintain access to your graveyard resources, creating a powerful control finisher in longer games. The convertible nature of this card means you're never dead-drawing either effect—you can deploy it early as Bottomless Pool for tempo and card advantage, then potentially upgrade it later or simply enjoy the early game value. Across Standard, Pioneer, Modern, and Commander formats, this card slot fills a genuine need for blue decks seeking interactive card advantage, making it a smart inclusion for any player looking to improve their deck's consistency and late-game potential without sacrificing early-game efficiency.
Illustrated by Diana Franco