Supernatural Stamina, Phyrexian Altar, and Living Lightning

Prerequisites

• Supernatural Stamina in hand
• Phyrexian Altar on the battlefield
• Living Lightning on the battlefield
• available

Steps

1. Cast Supernatural Stamina by paying , targeting Living Lightning
2. Activate Phyrexian Altar by sacrificing Living Lightning, adding
3. When Living Lightning dies, it triggers twice
4. Resolve the first trigger, returning Supernatural Stamina from your graveyard to your hand
5. Resolve the second trigger, returning it from your graveyard to the battlefield
6. Repeat

Results

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