Nether Traitor + Kheru Goldkeeper + Thermopod + Insidious Roots

Nether Traitor

Kheru Goldkeeper

Thermopod

Insidious Roots

How it works

1. Activate Thermopod by sacrificing Nether Traitor.
2. Activate Thermopod by sacrificing another creature.
3. When the creature dies, Nether Traitor triggers, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
4. Kheru Goldkeeper and Insidious Roots triggers, creating a Treasure token, a 1/1 Plant creature token and putting a +1/+1 counter on each Plant you control.
5. Activate the Treasure by tapping and sacrificing it, adding .
6. Repeat.