Shark responded that he won't participate in the tournament, and Quattro asked if Shark is still influenced by what happened at the Duel Circuit
Considering the strongly discounted price of the boxes on Magic Madhouse, I would perhaps recommend to go for three boxes to have the best chances but whatever you decide to do, this set can be a great addition to your collection.
This card can only be used for the ritual summon "Dragon Deity Ruler of Dragonkin"
For example, you can collect special illustration rares, illustration rares, gold cards, holos, reverse holos, full art trainers, EX cards, etc
I think he'd drawn a second copy of a legendary creature he had on the battlefield one too many times, so he did what Magic designers do and designed something you could use in that situation