>>40312286Zamazenta's ability would win out technically I suppose. Zacian sends out super effective attacks, but Zamazenta reduces any attack hitting itself to be not very effective.
Like, another way to think of it would be Zacian's moves are all of a special type that's 2x effective to all standard types while Zamazenta is treated as a special type that's 2x resistant to all attacks that hit it.
