Knowledge Vault [Legends] Planar Chaos Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

Each player creates a 1/1 black Rat creature token for each 1 life they paid this way

with the same mocking look on their faceless skulls

Set: Unlimited Edition Type: Instant Rarity: Common Cost: {R} Choose one —

it deals 7 damage to you

Knowledge Vault [Legends] Planar Chaos Set: Kaladesh Inventions Type: ArtifactSet: 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.