Lurrus of the Dream-Den + Kaya's Ghostform + Pitiless Plunderer + Yahenni, Undying Partisan

Lurrus of the Dream-Den

Kaya's Ghostform

Pitiless Plunderer

Yahenni, Undying Partisan

How it works

1. Activate Yahenni by sacrificing Lurrus of the Dream-Den.
2. When Lurrus of the Dream-Den dies, Kaya's Ghostform and Pitiless Plunderer trigger.
3. Resolve the Kaya's Ghostform trigger, returning Lurrus of the Dream-Den from your graveyard to the battlefield.
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
5. Resolve the Yahenni ability, giving it indestructible until end of turn.
6. Activate the Treasure by tapping and sacrificing it, adding .
7. Cast Kaya's Ghostform from your graveyard by paying , attaching it to Lurrus of the Dream-Den.
8. Repeat.