Battlemage's Bracers, Faeburrow Elder, and Seeker of Skybreak

Prerequisites

• Battlemage's Bracers on the battlefield
• Faeburrow Elder on the battlefield
• Seeker of Skybreak on the battlefield

Steps

1. Activate Faeburrow Elder by tapping it, adding at least Activate Seeker of Skybreak by tapping it, targeting Faeburrow Elder
2. Battlemage's Bracers triggers, causing you to pay to copy Seeker of Skybreak's ability, targeting Seeker of Skybreak
3. Resolve both Seeker of Skybreak abilities, untapping it and Faeburrow Elder
4. Repeat

Results

• Infinite mana creatures you control can produce
• Infinite mana of colors among permanents you control
• Infinite untap of creatures you control