Are there any clues on how to complete the letters missions?

im not good at these type of things so help would be appreciated

Beat me to it… That’s a fair ways down. Must have been a lot of forum activity yesterday!

just do arena… by the time you get the rare letters, you will most likely collected atleast 2 of other letters.

Is it even possible to get the toon without spending a lot of money or if u happen to be really lucky in arenas and your the top 3 enough times?