Equivalent cards to “Helvault” (colorless, exiles creatures, returns them):
- “Oubliette” (black, exiles a creature, returns if it leaves)
- “Banishing Light” (white, exiles any nonland permanent, returns it when it leaves)
- “Oblivion Ring” (white, exiles a nonland permanent, returns on leave)
- “Journey to Nowhere” (white, exiles a creature, returns it when the enchantment leaves)
- “Prison Realm” (white, exiles creature, returns it when it leaves)
Reason: All exile creatures/permanents and can return them, similar to Helvault’s effect.
