Can anyone help shinify my manetric

[Heyisthatkyle]

I just caught a manetric ive been trying at for a while and i love its shiny version so if someone could help that would be awesome.
IGN:Kyle
FC to the left under the avatar
I can trade
Lvl 49 SHINY tropius :Calm nature
Lvl 89 Blastoise with mega:Timid nature
Lvl 63 Palkia:Hasty nature
Lvl 40 latios with mega stone:Impish nature
Lvl 50 Uxie,Mesprit and Azelf:Mild,Relaxed and Serious natures
Lvl 60 Reshiram:Impish nature
Lvl 88 Deoxys any form:mild
I do not know these pokemons IVs