Introduction
Basically this is an "almost" standard OTR team, but changed a couple of things to address I thought many OTR teams had. For example, I had never seen an OTR team with any sort of reasonable hazard control. Also, the move Fake-Out from both Lopunny and Mega-Medicham were very annoying. I'll explain a bit below how I tried fixing these.
The Team
Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 248 HP / 64 Def / 196 SpD
Sassy Nature
- Trick Room
- Stealth Rock
- Explosion
- Skill Swap
252 Atk Landorus-Therian Earthquake vs. 252 HP / 64 Def Diancie: 236-282 (77.6 - 92.7%) -- guaranteed 2HKO after Leftovers recovery
252 SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 196+ SpD Diancie: 254-302 (83.5 - 99.3%) -- guaranteed 2HKO after Leftovers recovery
252 Atk Kartana Leaf Blade vs. 252 HP / 64 Def Diancie: 254-302 (83.5 - 99.3%) -- guaranteed 2HKO after Leftovers recovery
Additionally, the threat of being Mega-Diancie oftens deters first turn hazards. The general strategy here is: Trick Room, then Rocks (hope you get KOed this turn). If not, then Explosion. Magic Bounce does a solid job of protecting against opposing hazard setters. I think the last slot (which I have listed as Skill Swap for now) can probably be changed to many other things.
Cresselia @ Mental Herb
Ability: Levitate
EVs: 248 HP / 252 Def / 8 SpD
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Ice Beam
- Moonlight
- Lunar Dance
Crawdaunt @ Life Orb
Ability: Adaptability
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Swords Dance
- Crabhammer
- Knock Off
- Aqua Jet
Tapu Lele @ Mind Plate
Ability: Psychic Surge
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Psychic
- Psyshock
- Moonblast
- Focus Blast
252+ SpA Mind Plate Tapu Lele Psyshock vs. 244 HP / 252+ Def Eviolite Chansey in Psychic Terrain: 343-405 (48.8 - 57.6%) -- 96.1% chance to 2HKO
252+ SpA Mind Plate Tapu Lele Psychic vs. 252 HP / 0 SpD Landorus-Therian in Psychic Terrain: 351-414 (91.8 - 108.3%) -- guaranteed OHKO after Stealth Rock and Leftovers recovery
I don't think we need many calcs, basically the damage is on the level of Timid Specs (for Psychic and Psyshock). I also think many other items are viable, including Specs itself, Metronome, etc.
Marowak-Alola @ Thick Club
Ability: Rock Head
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Shadow Bone
- Flare Blitz
- Swords Dance
- Earthquake
Magearna @ Fairium Z
Ability: Soul-Heart
EVs: 252 HP / 4 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Fleur Cannon
- Flash Cannon
- Thunderbolt
Conclusion
Any comments? Basically I just Diancie is almost the perfect suicide lead for OTR, and would be happy to hear about other suicide leads that seem better. I just feel that all others I've seen cannot both set rocks AND prevent rocks so consistently.
Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 248 HP / 64 Def / 196 SpD
Sassy Nature
- Trick Room
- Stealth Rock
- Explosion
- Skill Swap
Cresselia @ Mental Herb
Ability: Levitate
EVs: 248 HP / 252 Def / 8 SpD
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Ice Beam
- Moonlight
- Lunar Dance
Crawdaunt @ Life Orb
Ability: Adaptability
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Swords Dance
- Crabhammer
- Knock Off
- Aqua Jet
Tapu Lele @ Mind Plate
Ability: Psychic Surge
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Psychic
- Psyshock
- Moonblast
- Focus Blast
Marowak-Alola @ Thick Club
Ability: Rock Head
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Shadow Bone
- Flare Blitz
- Swords Dance
- Earthquake
Magearna @ Fairium Z
Ability: Soul-Heart
EVs: 252 HP / 4 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Fleur Cannon
- Flash Cannon
- Thunderbolt
Ability: Magic Bounce
EVs: 248 HP / 64 Def / 196 SpD
Sassy Nature
- Trick Room
- Stealth Rock
- Explosion
- Skill Swap
Cresselia @ Mental Herb
Ability: Levitate
EVs: 248 HP / 252 Def / 8 SpD
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Ice Beam
- Moonlight
- Lunar Dance
Crawdaunt @ Life Orb
Ability: Adaptability
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Swords Dance
- Crabhammer
- Knock Off
- Aqua Jet
Tapu Lele @ Mind Plate
Ability: Psychic Surge
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Psychic
- Psyshock
- Moonblast
- Focus Blast
Marowak-Alola @ Thick Club
Ability: Rock Head
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Shadow Bone
- Flare Blitz
- Swords Dance
- Earthquake
Magearna @ Fairium Z
Ability: Soul-Heart
EVs: 252 HP / 4 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Fleur Cannon
- Flash Cannon
- Thunderbolt