Necroduality + Rot Hulk + Accursed Centaur

Necroduality

Rot Hulk

Accursed Centaur

How it works

1. Cast Rot Hulk by paying 5.
2. When Rot Hulk enters, it and Necroduality trigger.
3. Resolve the Rot Hulk trigger, returning Accursed Centaur from your graveyard to the battlefield.
4. When Accursed Centaur enters, it and Necroduality trigger.
5. Resolve the Accursed Centaur trigger, sacrificing it.
6. Resolve the Necroduality trigger, creating a token copy of Accursed Centaur.
7. When the token Accursed Centaur enters, it triggers, sacrificing Rot Hulk.
8. Resolve the Necroduality trigger from step 2, creating a token copy of Rot Hulk.
9. When the token Rot Hulk enters, it triggers, returning Rot Hulk from your graveyard to the battlefield.
10. Repeat from step 2.