Don't you hate it when you're training a pet, and it keeps on failing? Saving up all those mega snacks, just to have it learn "Mana Gift"...Or having trained a pet to Epic with luck on your side thus far, and yet at mega, your pet doesn't get the talent you were hoping for? Pets offer various talents that can aid, and strengthen a player, thus can be considered a vital part of character progression. The effects of pet talents separates an average wizard, and an ace wizard. This can be shown in their performance during battle.
With talent rerolls, you'd have another shot at rerolling a learned talent. The rerolled talent would be randomly selected from your pet's full talent pool, and would substitute the previous learned talent in that age group. Rather than having to scrap the entire pet training, you could instead attempt to reroll into a new talent.
Since rerolls would be a beneficial aid towards pet training, I would suggest for it to cost crowns. This would be an option for players who don't want to go through the hassle of training numerous pets, just for them to all fail, and having to repeat the whole process all over again.
Let's open up and pave the road for all the new wizards entering the spiral. By improving the pet training experience and making it more efficient, it would become a more enjoyable activity that everyone can partake in. This way all wizards can fully experience the game and all that it has to offer.
Please consider this suggestion from a fellow avid wizard. Thank you.