Ayula, Queen Among Bears + Scurry Oak + Maskwood Nexus

Ayula, Queen Among Bears

Scurry Oak

Maskwood Nexus

How it works

1. Cast Scurry Oak by paying 2.
2. When Scurry Oak enters the battlefield as a Bear due to Maskwood Nexus, Ayula triggers, putting two +1/+1 counters on Scurry Oak.
3. Scurry Oak triggers, creating a 1/1 Squirrel creature token.
4. When the Squirrel enters the battlefield as a Bear due to Maskwood Nexus, Ayula triggers, putting two +1/+1 counters on Scurry Oak.
5. Repeat from step 3.