Knowledge Vault [Legends] Elf Scout Set: Shadows over Innistrad Type:

Set: Shadows over Innistrad Type: Enchantment Rarity: Rare Cost: {1}{G} Creatures you control have "{T}: Add one mana of any color

Set: Unlimited Edition Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

that creature's controller mills two cards

or enchanted by anything white

−X: Return target nonlegendary creature card with converted mana cost X from your graveyard to the battlefield

Knowledge Vault [Legends] Elf Scout Set: Shadows over Innistrad Type:Set: Legends Type: Artifact Rarity: Rare Cost: {4} {2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand. When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.