Oona, Queen of the Fae [From the Vault: Legends] Ox if another creature is on

if another creature is on the battlefield

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a green spell

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

Set: Eternal Masters Type: Artifact Rarity: Rare Cost: {1} {1}: Look at the top three cards of your library

You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs

Oona, Queen of the Fae [From the Vault: Legends] Ox if another creature is onSet: From the Vault: Legends Type: Legendary Creature Faerie Wizard Rarity: Mythic Cost: {3}{U B}{U B}{U B} Flying {X}{U B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1 1 blue and black Faerie Rogue creature token with flying.