Ruxa, Patient Professor, Nim Deathmantle, Ashnod's Altar, and Memnite

Prerequisites

• Ruxa, Patient Professor on the battlefield
• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Memnite on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Memnite, adding
2. When Memnite dies, Nim Deathmantle triggers, choose not to pay for the trigger
3. Activate Ashnod's Altar by sacrificing Ruxa, adding
4. When Ruxa dies, Nim Deathmantle triggers, causing you to pay to return Ruxa from your graveyard to the battlefield, and attach Nim Deathmantle to it
5. When Ruxa enters the battlefield, its first ability triggers, returning Memnite to your hand from your graveyard
6. Cast Memnite by paying
7. Repeat

Results

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