Knowledge Vault [Legends] Planar Chaos Set: Unlimited Edition Type: Instant

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

it deals 7 damage to you

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

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

Each player creates a 1/1 black Rat creature token for each 1 life they paid this way

Knowledge Vault [Legends] Planar Chaos Set: Unlimited Edition Type: InstantSet: 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.