Yawgmoth, Thran Physician + Scurry Oak + Overgrowth Elemental

Yawgmoth, Thran Physician

Scurry Oak

Overgrowth Elemental

How it works

1. Cast Yawgmoth by paying 2.
2. When Yawgmoth enters the battlefield, Scurry Oak's evolve ability triggers.
3. Holding priority, activate Yawgmoth by paying 1 life and sacrificing a creature.
4. When the creature dies, Overgrowth Elemental's second ability triggers, causing you to gain 1 life.
5. Resolve the Yawgmoth ability, putting a -1/-1 counter on Scurry Oak and causing you to draw a card.
6. Resolve the Scurry Oak trigger, putting a +1/+1 counter on it, triggering Scurry Oak's second ability.
7. Holding priority, activate Yawgmoth by paying 1 life and sacrificing a creature.
8. When the creature dies, Overgrowth Elemental's second ability triggers, causing you to gain 1 life.
9. Resolve the Yawgmoth ability, putting a -1/-1 counter on Scurry Oak and causing you to draw a card.
10. Resolve the Scurry Oak trigger, creating a 1/1 Squirrel creature token.
11. When the Squirrel enters the battlefield, Scurry Oak's evolve ability triggers.
12. Repeat from step 6.

This engine turns a handful of counters and sacrifices into a self-sustaining loop, fueled by Yawgmoth, Thran Physician's ability to trade life and fodder for cards. Scurry Oak acts as the primary engine room, neutralizing the -1/-1 counters Yawgmoth hands out by using its own evolve triggers and token creation to constantly replenish your sacrifice supply. Meanwhile, Overgrowth Elemental sits quietly on the board providing a vital life buffer, offsetting the life payments required by Yawgmoth so you can safely draw through your entire deck.