[BKC]

I remember watching you battle Mynism with this team and he was smashing you with a Moltres :P

Ironically, you are weak to your own sweepers. Calm Mind Reuniclus sets upeasily against Abomasnow and Tentacruel; you can't really damage it after the +1 SpD boost and it can simply CM + Recover + attack its way to victory, especially since most run a few speed EVs, so they will outrun yours, leaving you helpless in a CM war. Bulk Up Conkeldurr is also a threat since your main counter is Reuniclus but you won't be dealing that much damage with Psyshock since you're hitting his boosted defense stat.

The only mon that beats both of these threats is a slightly modified stallbreaker Mew. He resists both of Reuniclus's attacks, Taunts to prevent set-up/recovery, and can slowly wear it down with Seismic Toss, while healing off the minimal damage he'll be taking. Against Conkeldurr, he takes minimal damage upon switching in and smacks it hard with Psychic. I would replace Reuniclus to make room for Mew, since they both perform fairly similar roles in countering fighting types.

Mew @ Leftovers
Bold | 252 HP / 176 Def / 80 SpA
Taunt | Psychic | Seismic Toss | Night Shade Softboiled

Just something to consider, nice team!