Kiora's Follower, Judge of Currents, and Clever Impersonator

Prerequisites

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

Results

• Infinite lifegain
• Infinite lifegain triggers