Defiler of Faith + Pearl Medallion + Whitemane Lion + Virulent Emissary

Defiler of Faith

Pearl Medallion

Whitemane Lion

Virulent Emissary

How it works

1. Cast Whitemane Lion by paying 0 and 2 life due to Defiler of Faith and Pearl Medallion.
2. Defiler of Faith triggers, creating a 1/1 Soldier creature token.
3. When the Soldier enters, Virulent Emissary triggers, causing you to gain life.
4. Resolve Whitemane Lion. When it enters, it and Virulent Emissary trigger.
5. Resolve the Whitemane Lion trigger, returning it from the battlefield to your hand.
6. Resolve the Virulent Emissary trigger, causing you to gain life.
7. Repeat.

This clever loop turns Whitemane Lion into a self-sustaining engine by completely eliminating its mana cost through the combined cost reductions of Defiler of Faith and Pearl Medallion. Because the Lion costs nothing to cast, you can repeatedly bounce and replay it for free while Virulent Emissary cushions your life total and triggers life gain off every iteration. Meanwhile, every single casting fuels Defiler of Faith's triggered ability to amass an endless horde of Soldier tokens.