Fiery Mantle + Faith Healer + Defiler of Instinct + Cloud Key

Prerequisites

• "Enchantment" chosen with Cloud Key.

Steps

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

Effects

• Infinite damage
• Infinite lifegain triggers
• Infinite storm count