as much i enjoy talking about MH with you this is really out of topic from BW so i am just gonna say one last thing: barioth and friends are confirmed to be pseudo-wyverns, from those you mentioned only Rathalos and rathian are flying wyverns.
back to BW i think Reshiram movepool will be limited to mostly special moves, he cant punch what is already bad, he cant kick either and i doubt he will be able to use anything other then EQ so it look like blissey will wall him to death, zekrom on the other hand got hands(No pun intended) so i guess he will learn focus punch.
back to BW i think Reshiram movepool will be limited to mostly special moves, he cant punch what is already bad, he cant kick either and i doubt he will be able to use anything other then EQ so it look like blissey will wall him to death, zekrom on the other hand got hands(No pun intended) so i guess he will learn focus punch.