Warren Soultrader + Seedship Broodtender + Reveillark + Boss's Chauffeur + Blood Artist

Warren Soultrader

Seedship Broodtender

Reveillark

Boss's Chauffeur

Blood Artist

How it works

1. Activate Warren Soultrader by paying 1 life and sacrificing Reveillark.
2. When Reveillark dies, it and Blood Artist trigger.
3. Resolve the Blood Artist trigger, causing you to gain 1 life and target opponent to lose 1 life.
4. Resolve the Reveillark trigger, returning Seedship Broodtender and Boss's Chauffeur from your graveyard to the battlefield. Boss's Chauffeur will enter with a +1/+1 counter on it equal to the number of creatures you control.
5. When Seedship Broodtender enters, it and Boss's Chauffeur trigger, causing you to mill three cards and put a +1/+1 counter on Boss's Chauffeur.
6. Resolve the Warren Soultrader ability, creating a Treasure token.
7. Activate Warren Soultrader by paying 1 life and sacrificing Boss's Chauffeur.
8. When Boss's Chauffeur dies, it and Blood Artist trigger.
9. Resolve the Blood Artist trigger, causing you to gain 1 life and target opponent to lose 1 life.
10. Resolve the Boss's Chauffeur trigger, creating a 1/1 Citizen creature token for each +1/+1 counter on it.
11. Resolve the Warren Soultrader ability, creating a Treasure token.
12. Activate Warren Soultrader by paying 1 life and sacrificing a Citizen.
13. When the Citizen dies, Blood Artist triggers, causing you to gain 1 life and target opponent to lose 1 life.
14. Resolve the Warren Soultrader ability, creating a Treasure token.
15. Repeat from step 12 two additional times.
16. Activate five Treasures by tapping and sacrificing them, adding 3.
17. Activate Seedship Broodtender by paying 3 and sacrificing it.
18. When Seedship Broodtender dies, Blood Artist triggers, causing you to gain 1 life and target opponent to lose 1 life.
19. Resolve the Seedship Broodtender ability, returning Reveillark from your graveyard to the battlefield.
20. Repeat.

This intricate loop turns the sacrifice engine of Warren Soultrader into a lethal closing act by leaning heavily on Blood Artist to drain your opponents' life totals with every death. To keep the cycle spinning, Reveillark acts as the core recursive engine, bringing back essential pieces like Seedship Broodtender and Boss's Chauffeur whenever it leaves the battlefield. Meanwhile, Boss's Chauffeur accumulates counters to flood the board with Citizen tokens when sacrificed, supplying the extra fodder needed to generate sufficient mana and treasures. Finally, Seedship Broodtender uses that accumulated mana to pull Reveillark right back out of the graveyard, resetting the entire machinery to go off infinitely.