Sword of the Paruns, Power Artifact, and Nantuko Elder

Prerequisites

• Sword of the Paruns on the battlefield
• Power Artifact on the battlefield
• Nantuko Elder on the battlefield
• Nantuko Elder does not have summoning sickness
• Sword of the Paruns attached to Nantuko Elder

Steps

1. Activate Nantuko Elder by tapping it, adding
2. Activate Sword of the Paruns by paying , untapping Nantuko Elder
3. Repeat

Results

• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite colorless mana
• Infinite green mana