Infernal Vessel + Valkyrie's Call + Shilgengar, Sire of Famine

Infernal Vessel

Valkyrie's Call

Shilgengar, Sire of Famine

How it works

1. Activate Shilgengar by sacrificing Infernal Vessel.
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. Resolve the Shilgengar ability.
4. Activate Shilgengar by sacrificing Infernal Vessel.
5. 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.
6. Resolve the Shilgengar ability.
7. Repeat.