Well as I sad their both the same pokemon, but have different iv spreads(also this cant be cloned via pokecheck mainly because I don't wanna bug you 2 seconds before vgc to have you breed another. so AR clone only), and once again thanks in advance:
Larvitar
ability:non-dw one.(i forget)
nature:brave
iv's:flawless with 0 speed iv's(or 1,2 or 3)
shiny:if possible yes
larvitar
nature:adamant
ability:same as above
iv's:flawless
shiny:if possible yes