Stalwart Successor, Viscera Seer, and Lesser Masticore

Prerequisites

• Stalwart Successor on the battlefield
• Viscera Seer on the battlefield
• Lesser Masticore on the battlefield

Steps

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

Results

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