How to make a good dragon deck?

first of all pick a dragon archtype that you like, so either horus, blue-eyes, red-eyes or armed dragon, then build your deck around those cards. once you have pick an archtype then you can get all the related cards for it raher than have 3 different archtypes and trying to cater for them all as this is quite difficult if you want ot keep your deck to a minimum number of cards.