{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 - $42.500
Lightly Played - $34.000
Moderately Played - $29.800
Heavily Played - $25.500
Damaged - $21.300
Near Mint Spanish - $42.500
Lightly Played Spanish - $34.000
Moderately Played Spanish - $29.800
Heavily Played Spanish - $25.500
Damaged Spanish - $21.300