Koll, the Forgemaster, Demonmail Hauberk, Crookshank Kobolds, and Memnite

Prerequisites

• Koll, the Forgemaster on the battlefield
• Demonmail Hauberk on the battlefield
• Crookshank Kobolds on the battlefield
• Memnite on the battlefield

Steps

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

Results

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