These are: Tinkaton ex Charizard ex Giratina ex Pikachu ex Wugtrio ex Lucario ex Paldean Clodsire ex Beedrill ex Bibarel ex This means that many of the unannounced cards will likely be the earlier stage Pokemon from these evolution lines
If you discard 1 Thunder Dragon and use the effect to get 2, you will only be able to Fusion Summon twice, but it is threatening as it will perform 2 Fusion Summons within 1 turn
While enfranchised / spike-y players might step back and say, "These cards may be better than they look because flashback is powerful," to most of the Magic community, opening a Prepare // Fight will feel miserable because they already have a stack of Moment of Heroisms and Hunt the Weaks from Duels Decks or Welcome Decks
I received 4 Illustration Rares and a few Ultra Rare cards from my box, and that's arguably an unlucky pull rate, as it's fairly reasonable to expect a Special Illustration Rare in most boxes
Right now, singles are the cheapest way in when retailers have them, typically $4-5 each, but they almost always sell out fast