This clever loop starts by using Kamahl's Will to animate the land enchanted by Squirrel Nest, turning it into a creature so it can participate in the chain reaction. Once animated, tapping that land creates a 1/1 green Squirrel creature token, which immediately triggers Intruder Alarm's static ability to untap all creatures—including the animated land itself. Because the land is now untapped and ready to go again, you can repeat the process indefinitely to flood the board with infinite creature tokens and infinite creature ETB triggers.