Gardevoir - ♂ Mega Gardevoir

So somebody uploaded related images on Gelbooru… (pictures below are actually from Safebooru)

A possible origin image:

Most likely the prequel:

But problem is, none of these image have a source! And I can't seem to find the source either! Looks like the mystery is on… I'm think it might have been posted on some image board?

Gardevoir is not a plant, it's Psychic/Fairy type.