Lithoform Engine, and Sands of Time

Prerequisites

• Lithoform Engine on the battlefield
• Sands of Time on the battlefield
• undefined

Steps

1. At the beginning of any upkeep step, Sands of Time will trigger
2. In response to that trigger, tap all of your lands, artifacts, and creatures that can produce mana, then tap Lithoform Engine, copying the Sands of Time trigger
3. Allow the trigger to resolve, untapping your mana producing permanents and Lithoform Engine
4. Repeat for infinite mana

Results

• Infinite colored mana
• Infinite untap of creatures
• Infinite untap of lands
• Infinite untap of artifacts you control
• Infinite mana creatures you control can produce
• Infinite mana artifacts you control can produce