Luminous Broodmoth, Lesser Masticore, and Sarcatog

Prerequisites

• Luminous Broodmoth on the battlefield
• Lesser Masticore on the battlefield
• Sarcatog on the battlefield

Steps

1. Activate Sarcatog by sacrificing Lesser Masticore
2. When Lesser Masticore dies, its persist ability triggers if it didn't have a -1/-1 counter, and Luminous Broodmoth triggers if Lesser Masticore didn't have flying
3. Resolve the persist trigger, if applicable, returning Lesser Masticore from your graveyard to the battlefield with either a -1/-1 counter on it
4. Resolve the Luminous Broodmoth trigger, if applicable, returning Lesser Masticore from your graveyard to the battlefield with a flying counter on it if Lesser Masticore is still in your graveyard
5. Resolve the Sarcatog ability
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinitely large Sarcatog until end of turn