This is the Superjj Miracle Rogue Deck List he was using 
on stream to ladder. Miracle Rogue is still one of the strongest decks, but it’s not one of the easiest to play.
Give yourself some time to practice and climb with the deck. Once you are familiar with the synergies and have cycled your deck a few times through the Gadgetzan Auctioneer the deck will start to become intuitive and you will be climbing the ladder in a hurry!