Sidisi, Regent of the Mire + Thornbite Staff + Yahenni, Undying Partisan

Sidisi, Regent of the Mire

Thornbite Staff

Yahenni, Undying Partisan

How it works

1. Activate Sidisi by tapping it and sacrificing the creature with mana value 0.
2. When the creature dies, Sidisi triggers, untapping Sidisi.
3. Resolve the Sidisi ability, returning the creature that creates creature token(s) on death from your graveyard to the battlefield.
4. Activate Yahenni by sacrificing the creature.
5. When the creature dies, it and Sidisi trigger.
6. Resolve the Sidisi trigger, untapping it.
7. Resolve the creature's trigger, creating at least one creature token.
8. Resolve the Yahenni ability.
9. Repeat.