Nightmare Moon // Princess Luna [Ponies: The Galloping] Oath of the Gatewatch Prerelease Promos then reveal the top four

then reveal the top four cards of your library

Set: Legends Type: Instant Rarity: Rare Cost: {3}{W} Cast this spell only before blockers are declared

sacrifice Elder Spawn and it deals 6 damage to you

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {R}{R} Copy target instant or sorcery spell

) Go again When Strength of Sequoia enters the arena

Nightmare Moon // Princess Luna [Ponies: The Galloping] Oath of the Gatewatch Prerelease Promos then reveal the top fourSet: Ponies: The Galloping Type: Legendary Creature Alicorn Rarity: Mythic Cost: {4}{B}{B} Flying As long as it's nighttime, Nightmare Moon gets +2 +2 and has menace. {6}: Transform Nightmare Moon. Anypony may activate this ability or help pay the cost. When they do, they become your friend. "The night. . . will last. . . forever!" Reverse Type: Legendary Creature Alicorn Flying When this creature transforms into Princess Luna, choose up to six cards