Dreamstone Hedron, Voltaic Construct, and Tezzeret, Betrayer of Flesh

Prerequisites

• Dreamstone Hedron on the battlefield
• Voltaic Construct on the battlefield
• Tezzeret, Betrayer of Flesh on the battlefield
• Tezzeret has at least two loyalty counters on it
• Dreamstone Hedron does not have summoning sickness

Steps

1. Activate Tezzeret's second ability by removing two loyalty counters from it, causing Dreamstone Hedron to become an artifact creature
2. Activate Dreamstone Hedron's first ability by tapping it, adding
3. Activate Voltaic Construct by paying , untapping Dreamstone Hedron
4. Repeat from step 2

Results

• Infinite colorless mana