Warren Soultrader, Seedship Broodtender, Reveillark, Boss's Chauffeur, and Soul's Attendant

Prerequisites

• Warren Soultrader on the battlefield
• Seedship Broodtender on the battlefield
• Reveillark in the graveyard
• Boss's Chauffeur in the graveyard
• Soul's Attendant on the battlefield

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite self-mill
• Infinite lifegain triggers
• Infinite lifegain
• Infinite creature tokens
• Infinite +1/+1 counters on a creature