Battlemage's Bracers, Axebane Guardian, and Seeker of Skybreak

Prerequisites

• Battlemage's Bracers on the battlefield
• Axebane Guardian on the battlefield
• Seeker of Skybreak on the battlefield

Steps

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

Results

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