Supernatural Stamina, Phyrexian Altar, and Vampire Charmseeker

Prerequisites

• Supernatural Stamina in hand
• Phyrexian Altar on the battlefield
• Vampire Charmseeker on the battlefield
• available

Steps

1. Cast Supernatural Stamina by paying , targeting Vampire Charmseeker
2. Activate Phyrexian Altar by sacrificing Vampire Charmseeker, adding
3. When Vampire Charmseeker dies, it triggers, returning it from your graveyard to the battlefield
4. When Vampire Charmseeker 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