Jet Medallion, Oathsworn Vampire, Phyrexian Altar, and Blood Artist

Prerequisites

• Jet Medallion on the battlefield
• Oathsworn Vampire on the battlefield
• Phyrexian Altar on the battlefield
• Blood Artist on the battlefield

Steps

1. Sacrifice Oathsworn Vampire to Phyrexian Altar for
2. Blood Artist drains an opponent for 1 and you gain 1 life
3. Cast Oathsworn Vampire from the graveyard for
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite storm count