Kami of Industry, Helvault, and Krark-Clan Ironworks

Prerequisites

• Kami of Industry on the battlefield
• Helvault on the battlefield
• Krark-Clan Ironworks on the battlefield
• available

Steps

1. Activate Helvault by paying and tapping it, exiling Kami of Industry
2. Activate Krark-Clan Ironworks by sacrificing Helvault, adding
3. Helvault leaves the battlefield, returning Kami of Industry from exile to the battlefield
4. Kami of Industry enters the battlefield, returning Helvault from your graveyard to the battlefield
5. Repeat

Results

• Infinite colorless mana
• Infinite ETB
• Infinite LTB