Kiora's Follower, Judge of Currents, and Glasspool Mimic // Glasspool Shore

Prerequisites

• Kiora's Follower on the battlefield
• Judge of Currents on the battlefield
• Glasspool Mimic // Glasspool Shore on the battlefield
• Glasspool Mimic // Glasspool Shore is a copy of Kiora's Follower
• Kiora's Follower and Glasspool Mimic // Glasspool Shore 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 Glasspool Mimic // Glasspool Shore
4. Activate Glasspool Mimic // Glasspool Shore by tapping it
5. When Glasspool Mimic // Glasspool Shore becomes tapped, Judge of Currents triggers, causing you to gain 1 life
6. Resolve Glasspool Mimic // Glasspool Shore's ability from step 4, untapping Kiora's Follower
7. Repeat

Results

• Infinite lifegain
• Infinite lifegain triggers