Marvin, Murderous Mimic, Ley Weaver, and Soliton

Prerequisites

• Marvin, Murderous Mimic on the battlefield
• Ley Weaver on the battlefield
• Soliton on the battlefield
• undefined

Steps

1. Activate Marvin using Ley Weaver's ability by tapping it, untapping two lands you control
2. Activate the two lands by tapping them, adding at least
3. Activate Marvin using Soliton's ability by paying , untapping it
4. Repeat

Results

• Infinite mana lands you control can produce
• Infinite untap of lands you control