Kartana @ Choice Band
Ability: Beast Boost
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Sunsteel Strike
- Leaf Blade
- Sacred Sword
- Night Slash
Landorus-Therian @ Groundium Z
Ability: Intimidate
EVs: 216 HP / 252 Atk / 40 Spe
Adamant Nature
- Anchor Shot
- Earthquake
- Stealth Rock
- U-turn
Zygarde @ Leftovers
Ability: Aura Break
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Shift Gear
- Thousand Arrows
- Extreme Speed
- Glare
Tapu Lele @ Focus Sash
Ability: Psychic Surge
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Autotomize
- Psyshock
- Focus Blast
- Calm Mind
Keldeo @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Hydro Pump
- Icy Wind
- Secret Sword
- Scald
Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 4 Atk / 252 SpA
Quiet Nature
- Metal Burst
- Giga Drain
- Earthquake
- Hidden Power [Fire]
Ability: Beast Boost
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Sunsteel Strike
- Leaf Blade
- Sacred Sword
- Night Slash
Landorus-Therian @ Groundium Z
Ability: Intimidate
EVs: 216 HP / 252 Atk / 40 Spe
Adamant Nature
- Anchor Shot
- Earthquake
- Stealth Rock
- U-turn
Zygarde @ Leftovers
Ability: Aura Break
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Shift Gear
- Thousand Arrows
- Extreme Speed
- Glare
Tapu Lele @ Focus Sash
Ability: Psychic Surge
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Autotomize
- Psyshock
- Focus Blast
- Calm Mind
Keldeo @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Hydro Pump
- Icy Wind
- Secret Sword
- Scald
Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 4 Atk / 252 SpA
Quiet Nature
- Metal Burst
- Giga Drain
- Earthquake
- Hidden Power [Fire]
Gyarados-Mega @ Gyaradosite
Ability: Mold Breaker
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fire Lash
- Waterfall
- Crunch
- Dragon Dance
Mimikyu @ White Herb
Ability: Disguise
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- V-create
- Play Rough
- Shadow Sneak
- Swords Dance
Garchomp @ Focus Sash
Ability: Rough Skin
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Sacred Fire
- Earthquake
- Dragon Claw
- Rock Slide
Greninja @ Life Orb
Ability: Protean
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Blue Flare
- Ice Beam
- Low Kick
- Gunk Shot
Tapu Lele @ Focus Sash
Ability: Psychic Surge
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Psyshock
- Moonblast
- Shadow Ball
Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 4 Atk / 252 SpD
Sassy Nature
IVs: 0 Spe
- Will-O-Wisp
- Gyro Ball
- Leech Seed
- Stealth Rock
Ability: Mold Breaker
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fire Lash
- Waterfall
- Crunch
- Dragon Dance
Mimikyu @ White Herb
Ability: Disguise
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- V-create
- Play Rough
- Shadow Sneak
- Swords Dance
Garchomp @ Focus Sash
Ability: Rough Skin
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Sacred Fire
- Earthquake
- Dragon Claw
- Rock Slide
Greninja @ Life Orb
Ability: Protean
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Blue Flare
- Ice Beam
- Low Kick
- Gunk Shot
Tapu Lele @ Focus Sash
Ability: Psychic Surge
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Psyshock
- Moonblast
- Shadow Ball
Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 4 Atk / 252 SpD
Sassy Nature
IVs: 0 Spe
- Will-O-Wisp
- Gyro Ball
- Leech Seed
- Stealth Rock
Here's two sample teams for ya, Steel and Fire. Steel relies on Shift Gear + Kartana to break teams, while Lando can trap common swithcins like Fini and nuke with Z-EQ. Fire just has a bunch of offensive mons with better coverage via Fire typing.