Agatha's Soul Cauldron + Scion of the Swarm + Walking Ballista

B identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Scion of the Swarm by using Walking Ballista's ability by removing a +1/+1 counter from it, dealing 1 damage to any target and causing you to gain 1 life due to its lifelink.
  2. Scion of the Swarm triggers, putting a +1/+1 counter on it.
  3. Repeat.

What the combo produces