booster box or etb Guide to Pokémon TCG: Elite Trainer (ETB) vs. Ultra-Premium Collection (UPC) - Card Chill Contains 9 booster packs from Pokémon TCG ETB walls or Booster Box

Yes, technically the official breakdown lists there being a UB connive deck and a RB mayhem deck

The crafty dragon Nicol Bolas and all his carefully laid schemes have all built up to this one, climactic set

Special Summon 1 Level 2 or lower monster from your hand or Deck in face-up Attack Position or face-down Defense Position in your chosen Main Monster Zone, then your opponent can do the same from their hand or Deck to theirs

As you can guess from the name, it features the introduction of Shiny Pokmon, giving you yet another set of chase items

Obtaining Flair for a card will consume some of your duplicates, depending on the cards rarity, and you must have at least two cards left, so you will need multiple copies of a card you want to obtain Flair for