Defiler of Faith + Soul Warden + Helm of Awakening + Whitemane Lion

Defiler of Faith

Soul Warden

Helm of Awakening

Whitemane Lion

How it works

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