Eloise, Nephalia Sleuth, Cauldron Familiar, Peregrin Took, and Bartolomé del Presidio

Prerequisites

• Eloise, Nephalia Sleuth on the battlefield
• Cauldron Familiar on the battlefield
• Peregrin Took on the battlefield
• Bartolomé del Presidio on the battlefield

Steps

1. Activate Bartolomé del Presidio by sacrificing Cauldron Familiar
2. When Cauldron Familiar dies, Eloise's first ability triggers, creating a Clue and Food token
3. Resolve the Bartolomé del Presidio ability, putting a +1/+1 counter on it
4. Activate Cauldron Familiar by sacrificing a Food
5. Eloise's second ability triggers, causing you to surveil 1
6. Resolve the Cauldron Familiar ability, returning it from your graveyard to the battlefield
7. When Cauldron Familiar enters the battlefield, it triggers, causing each opponent to lose 1 life and you to gain 1 life
8. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite lifeloss
• Infinite Clue tokens
• Infinite surveil 1
• Infinite +1/+1 counters on Bartolomé del Presidio