Gatecrash

Immortal Servitude | Sorcery | | Return each creature card with mana value X from your graveyard to the battlefield. | Seb McKinnon

Nightveil Specter | Creature | Specter | Flying Whenever Nightveil Specter deals combat damage to a player, that player exiles the top card of their library. You may play lands and cast spells from among cards exiled with Nightveil Specter. | Min Yum