Stalwart Successor, Woodfall Primus, and Thermopod

Prerequisites

• Stalwart Successor on the battlefield
• Woodfall Primus on the battlefield
• Thermopod on the battlefield

Steps

1. Activate Thermopod by sacrificing Woodfall Primus When Woodfall Primus dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Woodfall Primus enters, it and Stalwart Successor trigger
3. Resolve the Woodfall Primus trigger, destroying a noncreature permanent
4. Resolve the Stalwart Successor trigger, putting a +1/+1 counter on Woodfall Primus Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite red mana
• Infinite creature sacrifice triggers
• Destroy any number of noncreature permanents
• Lock