Unctus, Grand Metatect, Kelpie Guide, and Kiora's Follower

Prerequisites

• Unctus, Grand Metatect on the battlefield
• Kelpie Guide on the battlefield
• Kiora's Follower on the battlefield
• Kelpie Guide and Kiora's Follower do not have summoning sickness

Steps

1. Activate Kelpie Guide by tapping it, targeting Kiora's Follower
2. Kelpie Guide triggers, causing you to loot
3. Resolve the Kelpie Guide ability, untapping Kiora's Follower
4. Activate Kiora's Follower by tapping it, targeting Kelpie Guide
5. Kiora's Follower triggers, causing you to loot
6. Resolve the Kiora's Follower ability, untapping Kelpie Guide
7. Repeat

Results

• Infinite self-discard triggers
• Infinite draw triggers
• Infinite looting