Koll, the Forgemaster, Rograkh, Son of Rohgahh, Demonmail Hauberk, and Kobolds of Kher Keep

Prerequisites

• Koll, the Forgemaster on the battlefield
• Rograkh, Son of Rohgahh on the battlefield
• Demonmail Hauberk on the battlefield
• Kobolds of Kher Keep on the battlefield
• Demonmail Hauberk attached to Kobolds of Kher Keep

Steps

1. Activate Demonmail Hauberk's equip ability by sacrificing Kobolds of Kher Keep, targeting Rograkh
2. When Kobolds of Kher Keep dies, Koll triggers, returning Kobolds of Kher Keep from your graveyard to your hand
3. Resolve the Demonmail Hauberk ability, attaching it to Rograkh
4. Cast Kobolds of Kher Keep by paying
5. Activate Demonmail Hauberk's equip ability by sacrificing Rograkh, targeting Kobolds of Kher Keep
6. When Rograkh dies, Koll triggers, returning Rograkh from your graveyard to your hand
7. Resolve the Demonmail Hauberk ability, attaching it to Kobolds of Kher Keep
8. Cast Rograkh by paying
9. Repeat

Results

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