Smaug the Impenetrable, Metalwork Colossus, Blasting Station, and Stridehangar Automaton

Prerequisites

• Smaug the Impenetrable on the battlefield
• Metalwork Colossus on the battlefield
• Blasting Station on the battlefield
• Stridehangar Automaton on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Metalwork Colossus, dealing 1 damage to Smaug
2. Smaug triggers, creating two artifact tokens due to Stridehangar Automaton
3. Activate Metalwork Colossus by sacrificing the two artifact tokens, returning Metalwork Colossus from your graveyard to your hand
4. Cast Metalwork Colossus by paying
5. When Metalwork Colossus enters, Blasting Station triggers, untapping Blasting Station
6. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count