Memory Vessel (Extended Art) [BIG - 78] Avatar The Last Airbender but maybe they weren't

but maybe they weren't

Creature Type or Sub Type: Legendary Creature — Elder Dragon

Creature Type or Sub Type: Creature — Djinn

You may put an artifact card from your hand onto the battlefield

then you may return a creature card from your graveyard to your hand

Memory Vessel (Extended Art) [BIG - 78] Avatar The Last Airbender but maybe they weren'tRarity: M #: 78 Creature Type or Sub Type: Artifact Rules Text Contains: T, Exile Memory Vessel: Each player exiles the top seven cards of their library. Until your next turn, players may play cards they exiled this way, and they can't play cards from their hand. Activate only as a sorcery.