Kiora's Follower, Judge of Currents, and Sakashima's Student

Prerequisites

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

Results

• Infinite lifegain
• Infinite lifegain triggers