Infernal Vessel + Valkyrie's Call + Thermopod

Infernal Vessel

Valkyrie's Call

Thermopod

How it works

1. Activate Thermopod by sacrificing Infernal Vessel, adding .
2. When Infernal Vessel dies, it triggers, returning itself from your graveyard to the battlefield as a Demon in addition to its other types.
3. Activate Thermopod by sacrificing Infernal Vessel, adding .
4. When Infernal Vessel dies, Valkyrie's Call triggers, returning Infernal Vessel from your graveyard to the battlefield as an Angel in additional to its other types.
5. Repeat.