Knowledge Vault [Legends] Bird Wizard Creature spells you cast cost

Creature spells you cast cost {1} less to cast for each +1/+1 counter on Animar

Set: Legends Type: Creature — Phoenix Rarity: Rare Cost: {4}{R}{R} Flying

Set: Premium Deck Series: Graveborn Type: Instant Rarity: Rare Cost: {B} Search your library for a card

Set: Gatecrash Type: Creature — Dragon Rarity: Mythic Cost: {4}{R}{R} Flying

Set: Guilds of Ravnica Prerelease Promos Type: Instant Rarity: Rare Cost: {B}{G} Destroy target permanent an opponent controls

Knowledge Vault [Legends] Bird Wizard Creature spells you cast costSet: 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.