Myr Galvanizer, Palladium Myr, and Phyrexian Metamorph

Prerequisites

• Myr Galvanizer on the battlefield
• Palladium Myr on the battlefield
• Phyrexian Metamorph on the battlefield
• None of the involved permanents have summoning sickness

Steps

1. Activate Palladium Myr by tapping it, adding
2. Activate Myr Galvanizer by paying and tapping it, untapping each other Myr you control
3. Activate Palladium Myr by tapping it, adding
4. Activate Phyrexian Metamorph by paying and tapping it, untapping each other Myr you control
5. Repeat

Results

• Infinite colorless mana
• Infinite untap of Myrs you control
• Infinite untap of Myr you control