I second the importance of giving Politoed a -Speed nature. However, instead of 0 speed ivs, give it a 11 so it can still outslow Tyranitar but outspeed all neutral nature Tangrowth. Getting your weather up first is especially important for the specs set. If Politoed/Tyranitar lead off, and you get rain up, Tyranitar is going to RUNNN for the hills. There, you have a free HP Grass for the incoming Jellicent switch in, or to do a HUGE chunk to Tyranitar (no SpD boost) if it decides to play mind games and stay in. Atleast consider it for the Other Options on that set.
Likewise, I have a problem with this:
<p>Don't use any of Politoed's other abilities, as if you do, you may as well use a better Water-type like Jellicent or Vaporeon. Politoed’s only other notable support option is Haze. Politoed can also use the RestTalk strategy to keep itself healthy, and this can be particularly annoying combined with Scald's burn chance. Politoed can also forgo Sleep Talk on such a set and pack a Chesto Berry for a one-time no-penalty full recovery.</p>
I'm pretty sure Sleep Talk is illegal with Drizzle.
Likewise, I have a problem with this:
<p>Don't use any of Politoed's other abilities, as if you do, you may as well use a better Water-type like Jellicent or Vaporeon. Politoed’s only other notable support option is Haze. Politoed can also use the RestTalk strategy to keep itself healthy, and this can be particularly annoying combined with Scald's burn chance. Politoed can also forgo Sleep Talk on such a set and pack a Chesto Berry for a one-time no-penalty full recovery.</p>
I'm pretty sure Sleep Talk is illegal with Drizzle.