![Yahenni, Undying Partisan [Aether Revolt Prerelease Promos]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/yahenni-undying-partisan-aether-revolt-prerelease-promos.webp)
Description
| Set: | 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.
![Shoe Tree (Alternate Foil) [Unhinged]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/shoe-tree-alternate-foil-unhinged.webp)
![Vesuva [From the Vault: Realms]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/vesuva-from-vault-realms.webp)
![Conqueror's Galleon // Conqueror's Foothold (Buy-A-Box) [Ixalan Treasure Chest]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/conqueror-s-galleon-conqueror-s-foothold-buy-box-ixalan-treasure-chest.webp)
![Swords to Plowshares [Fourth Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/swords-to-plowshares-fourth-edition.webp)
![Living Artifact [Beta Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/living-artifact-beta-edition.webp)
![Underground River [Tenth Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/underground-river-tenth-edition.webp)
![Progenitus [From the Vault: Legends]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/progenitus-from-vault-legends.webp)
![The Great Forest (Planes) [Planechase Anthology Planes]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/great-forest-planes-planechase-anthology-planes.webp)