They already posted something similar.
The dinos are here just for fusion points.
In order to do 9999+ damage, I use my 2 Union Attack, recover them to the deck using Pot Of Benevolence and buy them with Shard Of Greed at the last turn.
Since D.D. Crazy Beast remove the monsters he destroys from the game and I return his cards from cemetery to his deck, usually, Bakura can't summon Necrofear. Now, Zod, I let him summon it, them I use Order To Charge right away.