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Bold Phione spitback - I've got a Timid Manaphy and a flawless Timid Ditto so there's a 1/15 chance of getting a Bold Phione if I don't use an everstone on either of them
Need to grind one first, shouldn't take too long. I'll have to get it and trade it a bit later on though as I'm at work. I could trade the Yveltal early if you need it desperately.