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