Kiora's Follower, Judge of Currents, and Moritte of the Frost

Prerequisites

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

Results

• Infinite lifegain
• Infinite lifegain triggers