Requires

Steps

1. Whenever an opponent controls a creature, activate Thermopod's second ability by sacrificing Keiga, adding .
2. When Keiga dies, it, Pitiless Plunderer and Nim Deathmantle trigger.
3. Resolve the Pitiless Plunderer trigger, creating a Treasure artifact token.
4. Resolve the Keiga trigger, causing you to gain control of a creature an opponent controls.
5. Activate Thermopod's second ability by sacrificing the creature you gained control of in step 3, adding .
6. When the creature dies, Pitiless Plunderer triggers, creating a Treasure artifact token.
7. Activate the Treasures by tapping and sacrificing them, adding .
8. Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Keiga from your graveyard to the battlefield, and attach Nim Deathmantle to it.
9. Repeat as desired and/or whenever a creature enters the battlefield under an opponent's control.

Results