Stalwart Successor, Viscera Seer, and Lingering Tormentor

Prerequisites

• Stalwart Successor on the battlefield
• Viscera Seer on the battlefield
• Lingering Tormentor on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Lingering Tormentor When Lingering Tormentor dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Lingering Tormentor enters, Stalwart Successor triggers, putting a +1/+1 counter on Lingering Tormentor Resolve the Viscera Seer ability
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite scry 1