{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 - $24.200
Lightly Played - $19.400
Moderately Played - $17.000
Heavily Played - $14.500
Damaged - $12.100
Near Mint Spanish - $24.200
Lightly Played Spanish - $19.400
Moderately Played Spanish - $17.000
Heavily Played Spanish - $14.500
Damaged Spanish - $12.100