Jet Medallion, Oathsworn Vampire, and Phyrexian Altar

Prerequisites

• Jet Medallion on the battlefield
• Oathsworn Vampire on the battlefield
• Phyrexian Altar on the battlefield
• You gained life this turn

Steps

1. Sacrifice Oathsworn Vampire to Phyrexian Altar for
2. Cast Oathsworn Vampire from the graveyard for
3. Repeat

Results

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