Battlemage's Bracers, Kydele, Chosen of Kruphix, and Aphetto Alchemist

Prerequisites

• Battlemage's Bracers on the battlefield
• Kydele, Chosen of Kruphix on the battlefield
• Aphetto Alchemist on the battlefield

Steps

1. Activate Kydele by tapping it, adding at least Activate Aphetto Alchemist by tapping it, targeting Kydele
2. Battlemage's Bracers triggers, causing you to pay to copy Aphetto Alchemist's ability, targeting Aphetto Alchemist
3. Resolve both Aphetto Alchemist abilities, untapping it and Kydele
4. Repeat

Results

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