Keiga, the Tide Star + Nim Deathmantle + Pitiless Plunderer + Thermopod

UBR identity

Commander legal

The 4 combo pieces

• Keiga, the Tide Star
• Nim Deathmantle
• Pitiless Plunderer
• Thermopod

How to execute it

1. Whenever an opponent controls a creature, activate Thermopod's second ability by sacrificing Keiga, adding {R}.
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 {R}.
6. When the creature dies, Pitiless Plunderer triggers, creating a Treasure artifact token.
7. Activate the Treasures by tapping and sacrificing them, adding {2}.
8. Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} 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.

What the combo produces

• Gain control of all creatures opponents control and sacrifice them
• Gain control of any creatures that enters the battlefield
• Lock