Agatha's Soul Cauldron + Celestial Unicorn + Spike Feeder
GW identity
Commander legal
The 3 combo pieces
What must be in place
Celestial Unicorn has at least one +1/+1 counter on it.
How to execute it
- Activate Celestial Unicorn using Spike Feeder's second ability by removing a +1/+1 counter from it, causing you to gain 2 life.
- Celestial Unicorn triggers, putting a +1/+1 counter on it.
- Repeat.
What the combo produces
- Infinite lifegain
- Infinite lifegain triggers