Knowledge Vault [Legends] Legendary Enchantment Creature Set: Legends Type: World Enchantment

Set: Legends Type: World Enchantment Rarity: Uncommon Cost: {2}{G}{G} Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {2} At the beginning of each player's draw step

If you would gain life

Set: Alliances Type: Instant Rarity: Common Cost: {2}{B} Target creature gets +2/+0 until end of turn

Set: Champions of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {6}{U}{U}{U} Flying

Knowledge Vault [Legends] Legendary Enchantment Creature Set: Legends Type: World EnchantmentSet: 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.