The three main cards to have on the field are Galaxy-Eyes Sol Flare Dragon, Cyber Dragon Infinity, and Number 90: Galaxy-Eyes Photon Lord. Galaxy-Eyes Sol Flare Dragon is able to add one Photon or Galaxy card from your graveyard to your hand and can also destroy one of your opponent's special summoned monsters. Cyber Dragon Infinity can negate monster effects as well as spell and trap effects, destroying them. Number 90: Galaxy-Eyes Photon Lord can also negate and destroy cards, but it's really good because it can add Photon or Galaxy cards to your hand.
I side decked Neo Galaxy-Eyes Photon Dragon because you can use it to OTK your opponent and if your opponent is using a Xyz Deck, then you can use Neo to get rid of their overlay units and attack all the monsters.
My favorite card in this deck is Number 62: Galaxy-Eyes Prime Photon Dragon because I like OTK wins. This is a good card to OTK because it's attack can almost reach up to 9000!
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