Supernatural Stamina, Phyrexian Altar, and Shipwreck Dowser

Prerequisites

• Supernatural Stamina in hand
• Phyrexian Altar on the battlefield
• Shipwreck Dowser on the battlefield
• available

Steps

1. Cast Supernatural Stamina by paying , targeting Shipwreck Dowser
2. Activate Phyrexian Altar by sacrificing Shipwreck Dowser, adding
3. When Shipwreck Dowser dies, it triggers, returning it from your graveyard to the battlefield
4. When Shipwreck Dowser enters the battlefield, it triggers, returning Supernatural Stamina from your graveyard to your hand
5. Repeat

Results

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