I looked at your first rate and it looks pretty solid. Only thing you forgot to suggest is a nature change on Gastro as he won't do much to Jirachi with EQ running bold. He can run either relaxed or sassy. Gastro also needs some Atk EVs to score a guaranteed 3hko on defensive calm mind Rachi.
Another change I would probably suggest is expert belt on Latios. Heatran is his only hope to stop SD Scizor from completely murdering his team so bluffing a choice set and killing it with Latios would be extremely beneficial.
Dropping superpower on his own Scizor is a double edged sword as it makes him even more weak to opposing Scizor and allows Magnezone and Heatran to completely wall it. Don't forget to mention, when you make changes, that those changes might expose the team to previously covered threats.
Finally, I noticed he's slightly weak to CM Virizion so, probably, running psyshock on either Latios or Reuniclus could be worth testing (preferably the latter).
<ginganinja> can I add Pocket
<ginganinja> to his own blacklist
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