{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.
Near Mint - $103.70
Near Mint Non-English - $103.70
Lightly Played - $93.30
Lightly Played Non-English - $93.30
Played - $72.60
Played Non-English - $72.60
Heavily Played - $62.20
Heavily Played Non-English - $62.20
Damaged - $51.90
Damaged Non-English - $51.90