Aggravated Assault, Kormus Bell, and Urborg, Tomb of Yawgmoth

Prerequisites

• Aggravated Assault on the battlefield
• Kormus Bell on the battlefield
• Urborg, Tomb of Yawgmoth on the battlefield
• Lands and creatures you control can tap to produce at least

Steps

1. Activate all mana producing lands and creatures you control by tapping them, adding at least
2. Activate Aggravated Assault by paying , untapping all creatures you control and getting an additional combat and main phase after this phase
3. Repeat

Results

• Infinite combat phases
• Infinite mana creatures you control can produce
• Infinite mana lands you control can produce