Yawgmoth, Thran Physician + Scurry Oak + Trostani, Selesnya's Voice

Yawgmoth, Thran Physician

Scurry Oak

Trostani, Selesnya's Voice

How it works

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

This elegant loop turns Scurry Oak into a self-sustaining engine by playing off its ability to spawn Squirrel tokens whenever it receives a +1/+1 counter. Yawgmoth, Thran Physician provides the necessary sacrifice outlet and card draw while repeatedly shrinking the Oak with -1/-1 counters, which sets up its evolve and counter triggers all over again. Meanwhile, Trostani, Selesnya's Voice keeps your life total safely replenished every time a new creature enters the battlefield, letting you churn through your deck and orchestrate an overwhelming sequence of sacrifices.