Defiler of Faith + Soul's Attendant + The Immortal Sun + Whitemane Lion

Defiler of Faith

Soul's Attendant

The Immortal Sun

Whitemane Lion

How it works

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