Kiora's Follower, Illusionist's Bracers, and Hulking Metamorph

Prerequisites

• Kiora's Follower on the battlefield
• Illusionist's Bracers on the battlefield
• Hulking Metamorph on the battlefield
• Illusionist's Bracers attached to Kiora's Follower
• Kiora's Follower and Hulking Metamorph do not have summoning sickness

Steps

1. Activate Kiora's Follower by tapping it, targeting Hulking Metamorph
2. Illusionist's Bracers triggers, copying Kiora's Follower's ability
3. Resolve both Kiora's Follower abilities, untapping Hulking Metamorph and another permanent you control
4. Activate Hulking Metamorph by tapping it, untapping Kiora's Follower
5. Repeat

Results

• Infinite mana permanents you control can produce
• Infinite untap of permanents you control