Smaug the Impenetrable, and Chain Lightning

Prerequisites

• Smaug the Impenetrable on the battlefield
• Chain Lightning in hand
• available

Steps

1. Cast Chain Lightning by paying , dealing 3 damage to Smaug, Then, choose to pay to copy Chain Lightning, with the copy targeting Smaug
2. Smaug triggers, creating three Treasure tokens
3. Holding priority, activate two Treasures by tapping and sacrificing them, adding
4. Resolve Chain Lightning, dealing 3 damage to Smaug, Then, choose to pay to copy Chain Lightning, with the copy targeting Smaug
5. Repeat from step 2

Results

• Infinite Treasure tokens
• Infinite colored mana
• Infinite magecraft triggers