Knowledge Vault [Legends] The Lost Caverns of Ixalan Prerelease Cards Set: Box Topper Type: Metal

Set: Box Topper Type: Metal Rarity: Promo Retreat cost: Colorless

Set: World Championships 2010 Type: Colorless Rarity: Ultra Rare

Murktide Regent enters the battlefield with a +1/+1 counter on it for each instant and sorcery card exiled with it

Set: Secret Lair Countdown Kit Type: Artifact Rarity: Rare Cost: {3}{G/P} ({G/P} can be paid with either {G} or 2 life

Knowledge Vault [Legends] The Lost Caverns of Ixalan Prerelease Cards Set: Box Topper Type: MetalSet: 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.