Whisper, Blood Liturgist + Body Double + Thousand-Year Elixir + Rotlung Reanimator

Whisper, Blood Liturgist

Body Double

Thousand-Year Elixir

Rotlung Reanimator

How it works

1. Activate Whisper by tapping it, sacrificing itself and any other creature you control, targeting Body Double.
2. Rotlung Reanimator triggers, creating at least one 2/2 Zombie creature token.
3. Resolve the Whisper ability, returning Body Double from your graveyard to the battlefield as a copy of Whisper.
4. Activate Body Double by tapping it, sacrificing itself and the Zombie token, targeting Whisper.
5. Rotlung Reanimator triggers, creating a 2/2 Zombie creature token.
6. Resolve the Body Double ability, returning Whisper from your graveyard to the battlefield.
7. Repeat.