Gollum, Patient Plotter, Kheru Goldkeeper, Quintorius, Field Historian, and Witch-king of Angmar

Prerequisites

• Gollum, Patient Plotter in hand
• Kheru Goldkeeper on the battlefield
• Quintorius, Field Historian on the battlefield
• Witch-king of Angmar on the battlefield
• available

Steps

1. Activate Witch-king of Angmar by discarding Gollum
2. Activate Gollum by paying and sacrificing a creature, returning Gollum from your graveyard to your hand
3. Quintorius and Kheru Goldkeeper trigger, creating a creature token and a Treasure token
4. Activate the Treasure by tapping and sacrificing it, adding
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite self-discard triggers