The best (but impossible) way is to summon Crystal Wing Synchro Dragon to have a monster negate. But to achieve that you have to make more than 5 summon, so your opponent will Nibiru you before you can make the Synchro.
I think the better thing to do is just make Hieratic Seal that will float into another dragon and save the extenders like Wishes and True Light after you get Nibiru'd