You can also use sites like eBay to keep tabs on what Pokmon cards are selling, and how much theyre selling for
1417 and 163164 for inspiration)
You want to mill opponents to get access to their creatures or artifacts, and you can keep attacking people with horrors to mill even more cards
In addition, once per turn, you can add a Dark Magic Attack or Thousand Knives from your deck to your hand, or special summon 1 Dark Magician from your hand or graveyard
Just know, whichever energy type you choose, you must discard all of that type of energy card from Rayquaza EX
Special Summon 1 Tuner and 1 or more non-Tuners from your GY, whose total Levels equal the targeted monster's, and if you do, they cannot be destroyed by battle or card effects this turn