Kinzu of the Bleak Coven, Eternal Scourge, Ashnod's Altar, and Carmen, Cruel Skymarcher

Prerequisites

• Kinzu of the Bleak Coven on the battlefield
• Eternal Scourge on the battlefield
• Ashnod's Altar on the battlefield
• Carmen, Cruel Skymarcher on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adidng
2. When Eternal Scourge dies, Kinzu of the Bleak Coven and Carmen trigger
3. Resolve the Carmen trigger, causing you to gain 1 life and put a +1/+1 counter on Carmen Resolve the Kinzu of the Bleak Coven trigger, causing you to pay 2 life and exile Eternal Scourge from your graveyard to create a token copy of it that is 1/1
4. Activate Ashnod's Altar by sacrificing the Eternal Scourge token, adding
5. When the Eternal Scourge token dies, Carmen triggers, causing you to gain 1 life and put a +1/+1 counter on Carmen Cast Eternal Scourge from exile by paying
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite storm count