Knowledge Vault Tweet Details Color: Artifact Card Text: When Knowledge Vault leaves play, put all cards removed from the game with Knowledge Vault into their owner's graveyard at end of turn. 2, T Remove the top card of your library from the game face down. Sacrifice Knowledge Vault Discard your hand, then put Rarity: R Cost: 4 Card Type: Artifact Name: Knowledge Vault Finish: Regular Set Name: Legends
