Is the only way to reset your attribute points by buying a attribute reset card? do they reset after rebirth?
there are a few ways in game to obtain a stat reset.
you are able to buy from other players an avg price is 50g
you can obtain if lucky from a attending a wedding.
you could obtain in an event if one is running.
you may purchase one in the item mall with crystal purchased from AP (AP bought using real money, given from winning certain events or do surveys and such for free ap that is located here earn Free AP
these are just some of the ways to obtain one good luck
statst are reset at every rebirth =]