Koll, the Forgemaster, Demonmail Hauberk, Kobolds of Kher Keep, and Ornithopter

Prerequisites

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

Results

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