I have a hard combo. I use it once, but when I want to use it, opponent will surrender. -> Summon Cyber End dragon, use Cyber network, then cybernetic fusion support + polymerizaton, banish cyber end dragon and other monsters,fusion summon Chimeratech Overdragon, then activate cyber network, bring back cyber end and 1 other monster, and your next turn you can attack and win. But if its hard, use this combo when cyber end in the grave, and you can bring back