Havengul Lich + Rooftop Storm + Warren Soultrader + Fleshtaker

Havengul Lich

Rooftop Storm

Warren Soultrader

Fleshtaker

How it works

1. Activate Havengul Lich by paying 1, allowing you to cast a Zombie from your graveyard this turn.
2. Cast the Zombie from your graveyard by paying 0 due to Rooftop Storm.
3. Activate Warren Soultrader by paying 1 life and sacrificing the Zombie.
4. When the Zombie dies, Fleshtaker triggers, causing you to gain 1 life and scry 1.
5. Resolve the Warren Soultrader ability, creating a Treasure token.
6. Activate the Treasure by tapping and sacrificing it, adding 1.
7. Repeat.