Knowledge Vault [Legends] Construct sacrifice Phantasmal Forces unless you

sacrifice Phantasmal Forces unless you pay {U}

Set: Beta Edition Type: Enchantment Rarity: Uncommon Cost: {2}{W}{W} At the beginning of each player's upkeep

Sima Yi fought for four generations of the Cao family before his own grandson became emperor and united the three kingdoms

Sacrifice Scalding Tarn: Search your library for an Island or Mountain card

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {3} {1}: The next time an unblocked creature of your choice would deal combat damage to you this turn

Knowledge Vault [Legends] Construct sacrifice Phantasmal Forces unless youSet: 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.