Smaug the Impenetrable, March of the Machines, and Blasting Station

Prerequisites

• Smaug the Impenetrable on the battlefield
• March of the Machines on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing another artifact, which is a creature due to March of the Machines, dealing 1 damage to Smaug
2. Smaug triggers, creating a Treasure token
3. When the Treasure enters as a creature due to March of the Machines, Blasting Station triggers, untapping Blasting Station Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers