Kiora's Follower, Judge of Currents, and Phantasmal Image

Prerequisites

• Kiora's Follower on the battlefield
• Judge of Currents on the battlefield
• Phantasmal Image on the battlefield
• Phantasmal Image is a copy of Kiora's Follower
• Kiora's Follower and Phantasmal Image do not have summoning sickness

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

Results

• Infinite lifegain
• Infinite lifegain triggers