Knowledge Vault [Legends] Island Mountain Target opponent guesses that card's

Target opponent guesses that card's name

Then exile the top card of your library

Set: Judge Gift Cards 1999 Type: Instant Rare Cost: {1}{U} Counter target spell

Set: Ixalan Treasure Chest Type: Artifact — Equipment Rarity: Rare Cost: {2} When Dowsing Dagger enters the battlefield

Let's pull off the chain and take her with us

Knowledge Vault [Legends] Island Mountain Target opponent guesses that card'sSet: Legends Type: Artifact 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.