Offensive Sword Dance Celebi
Celebi @ Life Orb
Ability: Natural Cure
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Seed Bomb
- Zen Headbutt
- Sucker Punch
This set looks to surprise most Celebi faster checks, like Mega Aerodactyl, Mega Beedrill, Crobat and Tornadus, some scarfers like Darmanitan, while overwhelming (almost) anything under the base 100 speed tier. Sucker Punch is the key over here, picking the aforementioned threats that expect an SD/BP set. Hmm I dont know what else I could add to this, but it is important to note that you are still open to threats like Hydreigon, Mega Houndoom or Infernape, and can't do much against fat steels like Mega Aggron/Mega Steelix. Some calcs to show this thing power:
252 Atk Life Orb Celebi Sucker Punch vs. 0 HP / 4 Def Mega Beedrill: 191-225 (70.4 - 83%) -- 62.5% chance to OHKO after Stealth Rock
+2 252 Atk Life Orb Celebi Sucker Punch vs. 0 HP / 0 Def Mega Aerodactyl: 217-256 (72 - 85%) -- 75% chance to OHKO after Stealth Rock
+2 252 Atk Life Orb Celebi Sucker Punch vs. 0 HP / 0 Def Crobat: 227-269 (72.9 - 86.4%) -- 87.5% chance to OHKO after Stealth Rock
+2 252 Atk Life Orb Celebi Sucker Punch vs. 0 HP / 0 Def Tornadus: 253-299 (84.6 - 100%) -- guaranteed OHKO after Stealth Rock
etc