Magic: The Gathering Oracle Changes - From the Vault: Dragons to Shards of Alara

Old card (From the Vault: Dragons)	New card (Shards of Alara)
Knowledge Vault [Click to view all changes.]
Knowledge Vault {4} Artifact When Knowledge Vault leaves play, put all cards removed from the game with Knowledge Vault into their owner's graveyard at end of turn. {2}, {T}: Remove the top card of your library from the game face down. Sacrifice Knowledge Vault: Discard your hand, then put all cards removed from the game with Knowledge Vault into their owner's hand.	Knowledge Vault {4} Artifact {2}, {T}: Remove the top card of your library from the game face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards removed from the game with Knowledge Vault into their owner's hand. When Knowledge Vault leaves play, put all cards removed from the game with Knowledge Vault into their owner's graveyard.

Old card (From the Vault: Dragons)

New card (Shards of Alara)

Knowledge Vault [Click to view all changes.]

Knowledge Vault

{4}

Artifact

When Knowledge Vault leaves play, put all cards removed from the game with Knowledge Vault into their owner's graveyard at end of turn.

{2}, {T}: Remove the top card of your library from the game face down.

Sacrifice Knowledge Vault: Discard your hand, then put all cards removed from the game with Knowledge Vault into their owner's hand.

Knowledge Vault

{4}

Artifact

{2}, {T}: Remove the top card of your library from the game face down.

{0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards removed from the game with Knowledge Vault into their owner's hand.

When Knowledge Vault leaves play, put all cards removed from the game with Knowledge Vault into their owner's graveyard.