Kiora's Follower, Judge of Currents, and Auton Soldier

Prerequisites

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

Results

• Infinite lifegain
• Infinite lifegain triggers