Smaug the Impenetrable, Guilty Conscience, and Wrathful Red Dragon

Prerequisites

• Smaug the Impenetrable on the battlefield
• Guilty Conscience on the battlefield
• Wrathful Red Dragon on the battlefield

Steps

1. Deal noncombat damage to Smaug
2. Smaug and Wrathful Red Dragon trigger
3. Resolve the Smaug trigger, creating at least one Treasure token
4. Resolve the Wrathful Red Dragon trigger, causing Smaug to deal damage to any non-Dragon target
5. Guilty Conscience triggers, dealing damage to Smaug
6. Repeat from step 2

Results

• Infinite Treasure tokens
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite artifact tokens
• Infinite colored mana
• Infinite damage