Edgar Markov, Oathsworn Vampire, Warren Soultrader, and Susurian Voidborn

Prerequisites

• Edgar Markov on the battlefield
• Oathsworn Vampire on the battlefield
• Warren Soultrader on the battlefield
• Susurian Voidborn on the battlefield
• available

Steps

1. Cast Oathsworn Vampire either from your hand or graveyard by paying
2. Edgar triggers, creating a 1/1 Vampire creature token
3. Activate Warren Soultrader by paying 1 life and sacrificing Oathsworn Vampire
4. When Oathsworn Vampire dies, Susurian Voidborn triggers, causing target opponent to lose 1 life and you to gain 1 life
5. Resolve the Warren Soultrader ability, creating a Treasure token
6. Repeat steps 3 through 5 once, sacrificing the Vampire token instead
7. Activate two Treasures by tapping and sacrificing them, adding
8. Repeat

Results

• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite lifeloss