Knowledge Vault [Legends] Return to Ravnica Set: Mercadian Masques Type: Instant

Set: Mercadian Masques Type: Instant Rarity: Rare Cost: {3}{U}{U} You may exile a blue card from your hand rather than pay this spell's mana cost

" —Alexander Pope

Whenever an opponent casts a noncreature spell

quoting Confucius

you may draw a card unless that player pays {1}

Knowledge Vault [Legends] Return to Ravnica Set: Mercadian Masques 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.