Flash [Masters 25] Oath of the Gatewatch Prerelease Promos both believe they already own

both believe they already own everything

When Aven Battle Priest enters the battlefield

Set: Archenemy: Nicol Bolas Type: Artifact Rarity: Uncommon Cost: {2} {T}: Add {C}

Set: Rise of the Eldrazi Type: Creature — Human Cleric Avatar Rarity: Mythic Cost: {1}{W}{W} Level up {1} ({1}: Put a level counter on this

Then if any player pays {2}

Flash [Masters 25] Oath of the Gatewatch Prerelease Promos both believe they already ownSet: Masters 25 Type: Instant Rarity: Rare Cost: {1}{U} You may put a creature card from your hand onto the battlefield. If you do, sacrifice it unless you pay its mana cost reduced by up to {2}. No tactic transforms a battle like a well timed carnivore.