Yawgmoth, Thran Physician + The Locust God + Soul Warden

Yawgmoth, Thran Physician

The Locust God

Soul Warden

How it works

1. Activate Yawgmoth's first ability by paying 1 life and sacrificing another creature, causing you to draw a card and allowing you to put a -1/-1 counter on up to one creature.
2. The Locust God triggers, creating a 1/1 Insect creature token with flying and haste.
3. When the Insect enters the battlefield, Soul Warden triggers, causing you to gain 1 life.
4. Repeat.

This engine turns a simple sacrifice into a self-sustaining loop by letting each part feed the next in a seamless cycle. Yawgmoth, Thran Physician serves as the ultimate sacrifice outlet and card advantage engine, and every time you pay life to draw a card, The Locust God triggers to replace that draw with a flying Insect token. That newly spawned token instantly satisfies Soul Warden's life-gain trigger to offset Yawgmoth's life cost, while simultaneously providing a fresh creature for Yawgmoth to sacrifice all over again.