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First off, I am SO sorry about getting such a late response. I am moving houses and I have been really busy. However, I am able to play around 5:30 PM (your time) on Monday, June 25.
lol now that I have corrected the ev thing, I would recommend changing thunder punch on kommoo to ice punch because that whacks 2 of the Pokémon on ur threatlist, nidoking and serperior. Otherwise you can just keep blasting it with drain punches and kill it. this can also kill scarf lati, which...
First thing that jumps out at me is the lack of phasing, as you said. I also didn’t really like the giratina-o choice over standard giratina because I feel that giratina could be used as a rest staller and maybe Magearna heal belling that boi to get it woke. You can kill two birds with one stone...
Can you include the importable/moves+evs for the team? That makes it MUCH easier to rate. Otherwise, your rmt is formatted very well.
[edit] What I meant is the individual Pokémon's importable under its sprite.
Your team is very weak to Mega Aerodactyl, or rather, none of your Pokémon can switch in on it. A few calcs:
252 Atk Tough Claws Aerodactyl-Mega Wing Attack vs. 0 HP / 0 Def Beedrill-Mega: 534-630 (197 - 232.4%) -- guaranteed OHKO
252 Atk Tough Claws Aerodactyl-Mega Wing Attack vs. 0 HP / 4...