Fiery Mantle + Faith Healer + Defiler of Instinct + Starnheim Courser

Fiery Mantle

Faith Healer

Defiler of Instinct

Starnheim Courser

How it works

1. Activate Faith Healer by sacrificing Fiery Mantle.
2. When Fiery Mantle leaves the battlefield, it triggers, returning itself to your hand from your graveyard.
3. Resolve the Faith Healer ability, causing you to gain two life.
4. Cast Fiery Mantle by paying two life, targeting any creature you control.
5. Defiler of Instinct triggers, dealing 1 damage to any target.
6. Repeat.