Knowledge Vault [Legends] Legendary Enchantment Creature Set: Ninth Edition Type: Artifact

Set: Ninth Edition Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{B} Destroy target nonartifact

The imps' warbling cries echo through Phyrexia's towers like those of mourning doves in a cathedral

They gain trample

instead it's turned face up and assigns or deals damage

Knowledge Vault [Legends] Legendary Enchantment Creature Set: Ninth Edition Type: ArtifactSet: 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.