Warren Soultrader + Enduring Renewal + Panicked Bystander // Cackling Culprit

Warren Soultrader

Enduring Renewal

Panicked Bystander // Cackling Culprit

How it works

1. Activate Warren Soultrader by paying 1 life and sacrificing the nontoken creature that can be cast using one colored mana.
2. When the creature dies, Panicked Bystander // Cackling Culprit and Enduring Renewal trigger.
3. Resolve the Panicked Bystander // Cackling Culprit trigger, causing you to gain 1 life.
4. Resolve the Enduring Renewal trigger, returning the creature from your graveyard to your hand.
5. Resolve the Warren Soultrader ability, creating a Treasure token.
6. Activate the Treasure by tapping and sacrificing it, adding one mana of any color.
7. Cast the creature by paying its mana cost.
8. Repeat.