Defiler of Faith + The Wind Crystal + Whitemane Lion + Lifecreed Duo

Defiler of Faith

The Wind Crystal

Whitemane Lion

Lifecreed Duo

How it works

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

This clever loop turns Whitemane Lion into a self-sustaining engine by taking advantage of cost reduction and trigger management. With The Wind Crystal and Defiler of Faith both actively reducing its mana cost to zero while you pay 2 life, casting the Lion becomes entirely free. Every time you cast it, Defiler of Faith rewards you by creating a 1/1 Soldier token, which in turn triggers Lifecreed Duo to multiply your lifegain thanks to The Wind Crystal's doubling effect. Finally, the Lion's own entry trigger forces you to bounce it right back to your hand so you can cast it all over again, generating an endless cascade of enters-the-battlefield events and infinite resources.