I have been wanting to get into competitive battling for a long time, and I almost did in 5th gen. But I saw the new mechanics and tools in 6th gen, so I decided to start back into competitive again. Without further ado, here is my team.
Amoonguss Black Sludge
Bold Nature; 252 HP, 252 Def, 4 Satk
Ability: Regenerator
~Spore
~Giga Drain
~Clear Smog
~Hidden Power Fire
After originally having Sceptile here(Bad Idea I know), I tried out Amoonguss. I saw a lot of Spore Brelooms and Smeargles running around, and he is immune to spore and walls breloom. He can spore back, wall fighting types, and is a good physical wall in general. Giga drain is for grass stab and to recover extra health. Clear smog removes stat changes from anything not steel type. Hidden Power Fire takes care of Ferrothorn, Scizor and Forretress, attempting to wall/absorb the spore.
Rotom-W @Chesto Berry
Calm Nature; 252 HP, 252 SDef, 4 Satk
Ability: Levitate
~Rest
~Volt Switch
~Hydro Pump
~Will-o-Wisp
Rotom puts in work. Plain and simple. He walls multiple special attackers and helps spread burn with Will-O-Wisp. Chesto Rest Provides a one time recovery, but also allows him to tank status moves. His main job is to take out pokes like Greninja, Volcarona, and other special attackers. Volt switch to gain momentum, and for an electric stab, Hydro Pump for coverage and a water stab, and will-o-wisp to counter physical attackers coming in to take him out.
Greninja @ Life Orb
Modest Nature 252 Spd, 252 Satk, 4HP
Ability: Protean
~Taunt
~Scald
~Ice Beam
~Dark Pulse
When I first laid eyes on the 3 Kalos starters, I disliked Froakie. But now, he is my favorite. He is my revenge killer and my taunt lead, if the foe is running Smeargle or Mamoswine or something similar. Taunt, prevent Stealth Rocks, then switch or go for the KO. Scald can burn opposing pokes, but Surf could be better. Ice Beam can KO Dragonite through multiscale if it has no Sdef investment. Thats pretty amazing. Dark Pulse takes care of Gengar, Aegislash, or other ghost types.
Landorus-T @ Leftovers
Adamant Nature; 252 HP, 252 Atk, 4 Sdef
Ability: Intimidate
~Stealth Rock
~Earthquake
~Stone Edge
~U-Turn
Landorus-T can come in on a physical attacker, Intimidate and then set up stealth rocks on the switch, or deal some heavy hits. He works well with Rotom-W and makes a VoltTurn Combo. He works as an Intimidate pivot, and a hazard setter. Earthquake provides a strong stab, Stone Edge rounds off the EdgeQuake combo, and hits things like Mandibuzz and Talonflame hard. U-turn to gain momentum and gain a free switch, but with his low speed, it doesn't always work. This is my main Talonflame counter.
Bisharp @ Leftovers
Adamant Nature; 252 Atk, 200 Hp, 56 Spd
Ability Defiant
~Swords Dance
~Sucker Punch
~Iron Head
~Brick Break
My anti-Aegislash and anti-sticky web. He works as one of my physical sweeper. After stealth rocks damage, he can usually KO Talonflame while surviving a brave bird. Swords dance is to boost attack if not already boosted by an intimidate or sticky web, Sucker punch is my main dark stab with priority, and brick break breaks screens and hits steel and rock types.
Lucario @ Lucarionite
Jolly Nature; 252 Spd, 252 Atk, 4 HP
Ability: Steadfast- Adaptability
~Swords Dance
~Close Combat
~Bullet Punch
~Crunch
My favorite mega evo. He has the strongest Close Combat in the game, and is incredibly fast and strong. After a swords dance, he is only easily taken out by priority mach punch if he doesn't KO with Bullet Punch first. Close Combat destroys anything that isn't physically bulky or resists it. Crunch takes out Aegislash hoping to counter it. Swords dance makes Mega Lucario a monster.
So far my team has worked well on showdown and works to my liking. I am looking forward to comments and replies.