Requires

The Jolly Balloon Man must be on the battlefield. Ertha Jo, Frontier Mentor must be on the battlefield. Derevi, Empyrial Tactician must be on the battlefield. You control a creature that can tap to produce at least .

Steps

1. Activate a mana-producing creature by tapping it, adding at least .
2. Activate The Jolly Balloon Man by paying and tapping it, targeting the mana-producing creature.
3. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Derevi.
4. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Derevi that is a 1/1 Balloon with haste.
5. Put the Derevi token into your graveyard due to the legend rule.
6. When the Derevi token enters the battlefield, it triggers, untapping The Jolly Balloon Man.
7. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste.
8. Activate the mana-producing creature token by tapping it, adding at least .
9. Repeat from step 2.

Results