Wretched Throng + Ashnod's Altar + Pitiless Plunderer + Transplant Theorist + Helm of Awakening

Wretched Throng

Ashnod's Altar

Pitiless Plunderer

Transplant Theorist

Helm of Awakening

How it works

1. Activate Ashnod's Altar by sacrificing Wretched Throng, adding CC.
2. When Wretched Throng dies, it and Pitiless Plunderer trigger.
3. Holding priority, activate Transplant Theorist by paying 2, putting Wretched Throng from your graveyard onto the bottom of your library.
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
5. Resolve the Wretched Throng trigger, putting Wretched Throng from your library into your hand.
6. Activate the Treasure by tapping and sacrificing it, adding .
7. Cast Wretched Throng by paying due to Helm of Awakening.
8. Repeat.