So, I'm working on building a (kind-of) competitive team (I'm using Smogon's OU tier, for reference). However, I'm not sure what to use for the last two slots on the team.
Spoiler: Current Team members
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Azurill (Assault Vest, Adamant, Huge Power, 31/31/31/x/31/31, 240 HP/252 Atk/16 SpD, Aqua Jet, Waterfall, Play Rough, Superpower)
Talonflame (Adamant, Gale Wings, 31/31/31/x/31/31, 248 HP/252 Atk/8 Spe, Acrobatics, Roost, Sword Dance, Will-o-wisp)
Mega Venasaur (Venasaurite, Modest, Chlorophyl, ???*, 232 HP/252 SpA/4 SpD/20 Spe, Giga Drain, Sludge Bomb, Synthesis, Hidden Power (Fire))
Garchomp (Rocky Helmet, Impish, Rough Skin, 31/31/31/x/31/31, 240 HP/176 Def/92 Spe, Stealth Rock, Dragon Tail, Earthquake, Fire Blast)**
* I haven't bred/traded for this guy yet, so he's probably the easiest of these three to switch out, but I just like Venusaur
**Currently, I'm actually using a Choice Specs Goodra, but Garchomp's strong physical defense feels like it fills the team better, and I don't want two dragons.
Looking at what I have so far, I don't have a good counter to psychic types, and steel wouldn't be much better. Stealth Rock also shuts down talonflame hard, so a Rapid Spinner is probably needed. A support pokemon of some kind to keep Garchomp and Azumarill on their feet might also be a good idea.
Any ideas?