Kiora's Follower, Judge of Currents, and Omni-Changeling

Prerequisites

• Kiora's Follower on the battlefield
• Judge of Currents on the battlefield
• Omni-Changeling on the battlefield

Steps

1. Activate Kiora's Follower by tapping it
2. When Kiora's Follower becomes tapped, Judge of Currents triggers, causing you to gain 1 life
3. Resolve Kiora's Follower's ability from step 1, untapping Omni-Changeling
4. Activate Omni-Changeling by tapping it
5. When Omni-Changeling becomes tapped, Judge of Currents triggers, causing you to gain 1 life
6. Resolve Omni-Changeling's ability from step 4, untapping Kiora's Follower
7. Repeat

Results

• Infinite lifegain
• Infinite lifegain triggers