Is a cosmic power stall Jirachi viable?

Question

Let's see...

Jirachi @ Leftovers
Ability: Serene Grace
EVs: 252 HP / 180 Def / 76 SpD
Careful Nature
- Cosmic Power
- Wish
- Toxic
- Iron Head/Protect (which is better?)

Its usage and purpose should be pretty obvious. I chose Jirachi for toxic immunity.

Comments

Iron Head > Protect imo in case of Taunt.

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Viable? Yes. More viable than other sets or Pokemon? Probably not. I wouldn't use this purely because Jirachi has better uses, and unless you're stalling a particular group of pokemon this is a waste of potential.

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I guess I should just stick with specially defensive Scizor and hope for no fire attacks, then.

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Actually , what I would suggest is - the ev's to be divided in defense and spl . defense and rest in hp

It makes it tanky and long lasting.

Wish it had recover tho...............

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0 Atk Landorus-Therian Earthquake vs. 252 HP / 180 Def Jirachi: 252-296 (62.3 - 73.2%) -- guaranteed 2HKO
0 Atk Landorus-Therian Earthquake vs. 4 HP / 252 Def Jirachi: 236-278 (69 - 81.2%) -- guaranteed 2HKO
Nope, the EV spread I have now is still better.

Answer 1

It works. I use a similar set, but with Psychic rather than Iron Head. Critical hits break through the Cosmic set-up, so Pokémon like Focus-Claw Kingdra will be a problem.