Koll, the Forgemaster, Diamond Lion, Sai of the Shinobi, and Fervor

Prerequisites

• Koll, the Forgemaster on the battlefield
• Diamond Lion in hand
• Sai of the Shinobi on the battlefield
• Fervor on the battlefield
• available

Steps

1. Cast Diamond Lion by paying
2. When Diamond Lion enters, Sai of the Shinobi triggers, attaching itself to Diamond Lion
3. Activate Diamond Lion by tapping it, sacrificing it and discarding your hand, adding three mana of any color
4. When Diamond Lion dies, Koll triggers, returning Diamond Lion from your graveyard to your hand
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count