Eloise, Nephalia Sleuth, Jinnie Fay, Jetmir's Second, and Evereth, Viceroy of Plunder

Prerequisites

• Eloise, Nephalia Sleuth on the battlefield
• Jinnie Fay, Jetmir's Second on the battlefield
• Evereth, Viceroy of Plunder on the battlefield

Steps

1. Activate Evereth by sacrificing another creature
2. When the creature dies, Eloise's first ability triggers, and Eloise's second ability triggers if the creature was a token
3. Resolve the first Eloise trigger, creating either a 2/2 Cat or a 3/1 Dog creature token due to Jinnie Fay
4. Resolve the second Eloise trigger, if applicable, causing you to surveil 1
5. Resolve the Evereth ability, putting a +1/+1 counter on it
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite surveil
• Infinite damage