>>344711841. Know your IV spreads
2. Get some parents with the necessery IVs
N's Pokémon from BW2 had 30s in everything
The Ditto 5 in USUM come with 2 30s or so as well
Other people already did it, trade
Also. it's even easier then before because you can just Hypertrain your fuckups if they end up with the right HP if you're casual like that.