This clever loop transforms a simple spark of life into an unstoppable engine of creation and drain. It all begins when you gain life, which prompts Heliod, Sun-Crowned to place a +1/+1 counter on Scurry Oak; that counter placement then rouses Scurry Oak to churn out a 1/1 Squirrel token. Because Thunder of Unity's chapters are actively granting you life whenever a creature enters the battlefield, that new arrival immediately feeds back into Heliod, Sun-Crowned to restart the cycle. The result is an infinitely repeating cascade of counters, tokens, and life-draining momentum that grinds your opponents down to nothing.