Carmen, Cruel Skymarcher, Leonin Relic-Warder, All-Out Assault, and Bartolomé del Presidio

Prerequisites

• Carmen, Cruel Skymarcher on the battlefield
• Leonin Relic-Warder in the graveyard
• All-Out Assault in hand
• Bartolomé del Presidio on the battlefield
• available

Steps

1. Cast All-Out Assault by paying
2. When All-Out Assault enters the battlefield, it triggers, causing you to get an additional combat and main phase after this one
3. Move to your extra combat phase
4. All-Out Assault triggers, untapping each creature you control
5. Declare Carmen as an attacker, triggering its second ability, returning Leonin Relic-Warder form your graveyard to the battlefield
6. When Leonin Relic-Warder enters the battlefield, its first ability triggers, exiling All-Out Assault
7. Move to your postcombat main phase, and activate Bartolomé del Presidio by sacrificing Leonin Relic-Warder
8. When Leonin Relic-Warder dies, its second ability and Carmen's first ability trigger
9. Resolve the Carmen trigger, putting a +1/+1 counter on it and causing you to gain 1 life
10. Resolve the Leonin Relic-Warder trigger, returning All-Out Assault from exile to the battlefield
11. When All-Out Assault enters the battlefield, it triggers, causing you to get an additional combat and main phase after this one
12. Resolve the Bartolomé del Presidio ability
13. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite combat phases
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite +1/+1 counters on Bartolomé del Presidio
• Infinite +1/+1 counters on Carmen
• Infinite +1/+1 counters on a creature