I remember I was 7 when they launched here in the UK, I still remember opening my first Base Set booster pack, I even recall that it was a Blastoise art pack and I pulled a holo Poliwrath, from that moment I was totally hooked and so excited to find and collect all of the cards, not just to own them, but to see the artwork, that sense of discovery was incredibly rewarding
UV protective film is a good idea though
Notably, while MTG has done a lot of creature consolidation ('Mammoth' is folded into 'Elephant', for example), Aurochs is still a valid creature type, and even got a couple of other new cards printed
Lier, Disciple of the Drowned stops spells from being countered
3 Caves Of Chaos Adventurer With five power and three toughness, Caves of Chaos Adventurer might be a little fragile, but the tradeoff in power is well worth it
If you want to the most bang for your buck, Id suggest picking up this precon