Agatha's Soul Cauldron + Emmara, Soul of the Accord + Fatestitcher

Agatha's Soul Cauldron

Emmara, Soul of the Accord

Fatestitcher

How it works

1. Activate a creature using Fatestitcher's ability by tapping it, untapping Emmara.
2. Activate Emmara using Fatestitcher's ability by tapping it.
3. Emmara triggers, creating a 1/1 Soldier creature token.
4. Resolve the Emmara ability from step 2, untapping another creature.
5. Repeat.