Scholar of the Lost Trove, Helvault, and Krark-Clan Ironworks

Prerequisites

• Scholar of the Lost Trove on the battlefield
• Helvault on the battlefield
• Krark-Clan Ironworks on the battlefield
• available

Steps

1. Activate Helvault by paying and tapping it, exiling Scholar of the Lost Trove
2. Activate Krark-Clan Ironworks by sacrificing Helvault, adding
3. Helvault leaves the battlefield, returning Scholar of the Lost Trove from exile to the battlefield
4. Scholar of the Lost Trove enters the battlefield, casting Helvault from your graveyard without paying its mana cost
5. Repeat

Results

• Infinite colorless mana
• Infinite ETB
• Infinite LTB
• Infinite storm count