Battlemage's Bracers, Seeker of Skybreak, and Accomplished Alchemist

Prerequisites

• Battlemage's Bracers on the battlefield
• Seeker of Skybreak on the battlefield
• Accomplished Alchemist on the battlefield

Steps

1. Activate Accomplished Alchemist by tapping it, adding at least two mana of any color Activate Seeker of Skybreak by tapping it, targeting Accomplished Alchemist
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 Accomplished Alchemist
4. Repeat

Results

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