

Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 8 Atk / 248 SpA / 252 Spe
Naive Nature
- Moonblast
- Diamond Storm
- Hidden Power [Fire] / Earth Power
- Protect
Gardevoir (F) @ Choice Specs / Life Orb
Ability: Trace
EVs: 16 HP / 8 Def / 232 SpA / 252 Spe
Modest / Timid Nature
IVs: 0 Atk
- Moonblast
- Psyshock
- Focus Blast
- Trick / Taunt
This is a core that I've advertised in the past after being inspired by the goodness that SPL innovation, and it still stands as one of my most consistent and favorite "hot" or "innovative" cores to use due to the way that it is set up. Basically this core functions by having Gardevoir break and Mega Diancie clean. The reason I decided to submit this is because I've been playing a little NU recently and have found myself really enjoying medium slow/immensely powerful breaker+fast cleaner cores which work by spamming the same attack at everything (normal spam, in this case specs chatot+specs swellow), and what makes this core so scary is that Gardevoir's Moonblasts are disgusting to try and come in on if you don't resist them, and Chansey gets crippled nicely by Trick or Taunt or gets chunked by a Specs-boosted Psyshock (see calc below). This makes Diancie's job of cleaning up really consistent when combined with the fact tat it isn't particularly prio weak and that it outright beats a lot of faster stuff anyway.
252+ SpA Choice Specs Gardevoir Psyshock vs. 4 HP / 252+ Def Eviolite Chansey: 277-327 (43.1 - 50.9%) -- 97.7% chance to 2HKO after Stealth Rock
Mag support is basically mandatory with this core. Chople or Scarf so that Superpower Scizor doesn't fuck you over, and make sure that you run at least enough speed to outpace min speed variants if you opt for Chople 'cause you can't OHKO SpD MegaZor, meaning that you want to hit it before it can use Superpower a second time.
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