Knowledge Vault [Legends] WTR160-M Spend this mana only to

Spend this mana only to cast creature spells

Set: Base Set Shadowless Unlimited Type: Water Rarity: Common Retreat cost: Colorless

As the green sun crowned

Set: Modern Masters Tokens Type: Emblem — Elspeth Rarity: Common Artifacts

Knowledge Vault [Legends] WTR160-M Spend this mana only toSet: 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.