Stalwart Successor, Blasting Station, and Putrid Goblin

Prerequisites

• Stalwart Successor on the battlefield
• Blasting Station on the battlefield
• Putrid Goblin on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Putrid Goblin When Putrid Goblin dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Putrid Goblin enters, Blasting Station and Stalwart Successor trigger
3. Resolve the Blasting Station trigger, untapping it Resolve the Stalwart Successor trigger, putting a +1/+1 counter on Putrid Goblin Resolve the Blasting Station ability from step 1 Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control