Deeproot Pilgrimage + Kiora's Follower + Clever Impersonator

Deeproot Pilgrimage

Kiora's Follower

Clever Impersonator

How it works

1. Activate Kiora's Follower by tapping it, targeting Clever Impersonator.
2. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
3. Resolve the Kiora's Follower ability, untapping Clever Impersonator.
4. Activate Clever Impersonator by tapping it, targeting Kiora's Follower.
5. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
6. Resolve the Clever Impersonator ability, untapping Kiora's Follower.
7. Repeat.