Agatha's Soul Cauldron + Midnight Guard + Priest of Gix + The Jolly Balloon Man

Mana needed: {1}

RWB identity

Commander legal

The 4 combo pieces

What must be in place

Midnight Guard has at least one +1/+1 counter on it.
Midnight Guard does not have summoning sickness.

How to execute it

  1. Activate Midnight Guard using The Jolly Balloon Man's ability by paying {1} and tapping it, creating a token copy of Priest of Gix that is a 1/1 Balloon with flying and haste in addition to its other types.
  2. When the Priest of Gix token enters the battlefield, it and Midnight Guard trigger.
  3. Resolve the Priest of Gix token's trigger, adding {B}{B}{B}.
  4. Resolve the Midnight Guard trigger, untapping it.
  5. Repeat.

What the combo produces