Leashling, Mycosynth Golem, and Kindred Discovery

Prerequisites

• Leashling in hand
• Mycosynth Golem on the battlefield
• Kindred Discovery on the battlefield
• "Golem" chosen with Kindred Discovery
• You control at least six artifacts

Steps

1. Cast Leashling by paying
2. Leashling enters the battlefield, triggering Kindred Discovery, causing you to draw a card
3. Activate Leashling by putting a card from your hand on top of your library, returning Leashling to your hand from the battlefield
4. Repeat

Results

• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite storm count