Later interpretations of him would change his appearance significantly, making him bright blue and exaggerating the two tusks seen on either side of his face
If your main goal is to build a collection to play Historic, it will be wise to pick packs that offer the cards you want for constructed
You would have to add cards like Reshiram or Bouffalant or some other non- EX and that would just completely ruin the consistency of the deck
The WPN website says Wizards recommends using "them to build your community, using them as incredible prizes." However, unlike most LGS promo cards, "if you want to sell them outright you are allowed." To see what other Magic cards are coming out soon, check out the MTG release schedule for 2024
You will have various types of removal, perhaps mass removal, creature removal, countermagic and non-creature removal or something