These boxes would eventually transform into the Secret Lair Drops that have been wildly successful since
Then, destroy this card and Special Summon 1 "Quiz Panel - Slifer 20" from your hand, Deck or Graveyard in face-down Defense Position
They prioritize collectability over playability, but they're still incredibly jarring to decipher and have been met with mixed opinions
Playing it early in the game can help you get a leg up on your opponent, and gaining multiple mana sources during a turn can definitely contribute to winning a game
1 Alakazam (7), 2 Blastoise (7), 3 Chansey (7), 4 Charizard (7), 5 Clefairy (7), 6 Gyarados (5), 7 Hitmonchan (7), 9 Magneton (7), 10 Mewtwo (6), 11 Nidoking (6), 12 Ninetales (6), 13 Poliwrath (7), 14 Raichu (7), 15 Venusaur (7) and 16 Zapdos (6)
The Eevee-related cards will come from the Japanese Terastal Festival card set, a "High Class Set." In Japan, High Class Sets feature booster packs with more cards, guaranteed pull rates, and special god packs that only contain rare and ultra-rare cards