Life and Limb, Tireless Tracker, Leyline of Transformation, and Stridehangar Automaton

Prerequisites

• Life and Limb on the battlefield
• Tireless Tracker on the battlefield
• Leyline of Transformation on the battlefield
• Stridehangar Automaton on the battlefield

Steps

1. Cause a creature or land to enter under your control
2. Each creature or land that entered is a Saproling through Leyline of Transformation and a Forest in addition to its other types due to and Life and Limb, causing Tireless Tracker to trigger that many times
3. Resolve a Tireless Tracker trigger, creating the stated artifact tokens plus at least one creature token through Stridehangar Automaton
4. Repeat steps 2-3
5. Unless you have a way to remove one of the pieces, this will cause an infinite mandatory loop and draw the game

Results

• Draw the game
• Infinite creature ETB
• Infinite creature tokens
• Infinite landfall triggers
• Infinite artifact ETB
• Infinite artifact tokens