Oathsworn Vampire, Scion of Opulence, Crime Novelist, and Altar of Dementia

Prerequisites

• Oathsworn Vampire on the battlefield or in the graveyard
• Scion of Opulence on the battlefield
• Crime Novelist on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Oathsworn Vampire
2. When Oathsworn Vampire dies, Crime Novelist and Scion of Opulence trigger
3. Resolve the Crime Novelist trigger, adding and putting a +1/+1 counter on it
4. Resolve the Scion of Opulence trigger, creating a Treasure token
5. Resolve the Altar of Dementia ability
6. Activate the Treasure by tapping and sacrificing it, adding
7. Cast Oathsworn Vampire from your graveyard by paying
8. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count