Yahenni, Undying Partisan [Aether Revolt Prerelease Promos] Oath of the Gatewatch Prerelease Promos Does it reflect the future

Does it reflect the future that once was or the past that can never be

that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield

Set: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {2}{G} Exile a creature you control: Add X mana of any one color

{1}: Regenerate Living Wall

Set: Junior Super Series Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Yahenni, Undying Partisan [Aether Revolt Prerelease Promos] Oath of the Gatewatch Prerelease Promos Does it reflect the futureSet: Aether Revolt Prerelease Promos Type: Legendary Creature Aetherborn Vampire Rarity: Rare Cost: {2}{B} Haste Whenever a creature an opponent controls dies, put a +1 +1 counter on Yahenni, Undying Partisan. Sacrifice another creature: Yahenni gains indestructible until end of turn. "The time for subtlety is over, darling."