Agatha's Soul Cauldron + Great Whale + Midnight Guard + The Jolly Balloon Man

URW 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.
You control at least one mana-producing land.

How to execute it

  1. Activate up to seven mana-producing lands by tapping them, adding at least {1}.
  2. Activate Midnight Guard using The Jolly Balloon Man's ability by paying {1} and tapping it, creating a token copy of Great Whale that is a 1/1 Balloon with flying and haste in addition to its other types.
  3. When the Great Whale token enters the battlefield, it and Midnight Guard trigger.
  4. Resolve the Great Whale token's trigger, untapping up to seven lands.
  5. Resolve the Midnight Guard trigger, untapping it.
  6. Repeat.

What the combo produces