Battlemage's Bracers, Palladium Myr, and Tidewater Minion

Prerequisites

• Battlemage's Bracers on the battlefield
• Palladium Myr on the battlefield
• Tidewater Minion on the battlefield

Steps

1. Activate Palladium Myr by tapping it, adding Activate Tidewater Minion by tapping it, targeting Palladium Myr
2. Battlemage's Bracers triggers, causing you to pay to copy Tidewater Minion's ability, targeting Tidewater Minion
3. Resolve both Tidewater Minion abilities, untapping it and Palladium Myr
4. Repeat

Results

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