Careful Cultivation, Sword of the Paruns, and Power Artifact

Prerequisites

• Careful Cultivation on the battlefield
• Sword of the Paruns on the battlefield
• Power Artifact on the battlefield
• Sword of the Paruns and Careful Cultivation attached to the same creature you control that does not have summoning sickness

Steps

1. Activate the creature with both permanents attached to it using the ability from Careful Cultivation by tapping it, adding
2. Activate Sword of the Paruns's first activated ability by paying , untapping the creature
3. Repeat

Results

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