Agatha's Soul Cauldron + Deeproot Pilgrimage + Kiora's Follower

Prerequisites

• You control a nontoken Merfolk and at least one additional creature that each have a +1/+1 counter on them.
• Kiora's Follower exiled by Agatha's Soul Cauldron.

Steps

1. 1Activate the nontoken Merfolk using Kiora's Follower's ability by tapping it.
2. 2Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
3. 3Resolve the Merfolk's ability, untapping the other creature.
4. 4Activate the other creature using Kiora's Follower's ability by tapping it, untapping the nontoken Merfolk.
5. 5Repeat.

Effects

• Infinite creature tokens
• Infinite ETB