Thats a lot of mana to commit at any point in the game, and since the effect is open information, your opponent can do a surprising number of things to prevent you from paying the mana
But Chatterfang, Squirrel General is leagues better as a squirrel commander and Ygra, Eater of All promises to revolutionize the Food archetype, so I dont see Camilla doing much but supporting those stronger commanders
Hard-Hitting Question is a good example of biting
Put those cards into your graveyard, then shuffle
Ezuri, Renegade Leader saves other elves from destruction while Tyvar, the Pummeler can save itself, and both have a 5-mana mass pump effect
While we can win the game just by attacking with a ton of hasty balloon tokens, we can also win without attacking at all thanks to Kambal, Profiteering Mayor, Elas il-Kor, Sadistic Pilgrim, and Funeral Room // Awakening Hall, which can drain our opponent out of the game directly as our tokens enter or as our Balloon tokens sacrifice them on our end step