Knowledge Vault [Legends] Torment −6: You get an emblem

−6: You get an emblem with "Whenever you cast a spell that targets one or more permanents

" —Ecclesiastes 3:19

search your library for a permanent card

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder

it deals that much damage to its controller

Knowledge Vault [Legends] Torment −6: You get an emblemSet: 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.