Voltaic Construct, Llanowar Tribe, and Liquimetal Torque

Prerequisites

• Voltaic Construct on the battlefield
• Llanowar Tribe on the battlefield
• Liquimetal Torque on the battlefield
• Llanowar Tribe does not have summoning sickness

Steps

1. Activate Liquimetal Torque's second ability by tapping it, causing Llanowar Tribe to become an artifact until end of turn
2. Activate Llanowar Tribe by tapping it, adding
3. Activate Voltaic Construct by paying , untapping Llanowar Tribe
4. Repeat from step 2

Results

• Infinite green mana
• Infinite untap of artifact creatures you control