>>57305966rip then.
Best you could do is to reroll when the 2 ride beasts drop. Get both of them even, in 6000 gems.
Once you've gotten both of them, link your PMEX account to a Nintendo Account that you own, like made with your Google account that you own. Your save will be saved in the Nintendo Account.
Then you're set; Never ever roll any banner in the upcoming months without pity. Always check datamine before rolling, and use all free pairs as much as possible. Generate a list of potential rerun targets like NC Blue / NC Red or something similar. Generate a list of potential favourites that aren't in the game yet.
At least Top 3. If you get them in the future, just remove them from your list, and start saving again. If you managed to roll for your targeted sync pair that month early (like 1-2 multis) and you can still do a pity on another target for that month (like you wanted that sync pair to your roster) you can do so, just check datamine before if they can last into the next datamine.
I typically just dont go for Poke Fairs, Master Fairs are bread and butter for content destroying.