Lotus Ring, Koll, the Forgemaster, and Fervent Champion

Prerequisites

• Lotus Ring on the battlefield
• Koll, the Forgemaster on the battlefield
• Fervent Champion on the battlefield

Steps

1. Activate Lotus Ring's equip ability by paying , attaching it to Fervent Champion
2. Activate Fervent Champion by tapping and sacrificing it, adding
3. When Fervent Champion dies, Koll triggers, returning Fervent Champion from your graveyard to your hand
4. Cast Fervent Champion by paying
5. Repeat

Results

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