Knowledge Vault [Legends] Planar Chaos "Did it have this shape

"Did it have this shape upon Mirrodin's creation

Set: Eighth Edition Type: Enchantment Rarity: Rare Cost: {1}{R}{R}{R} If a source would deal damage to a permanent or player

put it into its owner's hand instead of into that player's graveyard

Set: Unlimited Edition Type: Instant Rarity: Common Cost: {R} Choose one —

Knowledge Vault [Legends] Planar Chaos "Did it have this shapeSet: 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.