It reveals a Number XYZ monster from the Extra Deck with a value between 101 and 107, then you add a monster to your hand with the same type, or the same attribute, as the revealed card
You should have no problems having 1/1 creatures on the battlefield to murder with Skullclamp and reap the rewards
Charizard V SR: SA[S9 103/100](Expansion Pack Star Birth) Price: (US$116) The Charizard V card from the Star Birth [S9] expansion has a handful of factors that make it collection-worthy
Nothing here is buying advice
The card-collecting site Cardboard Connection suggests eBay as your first step, particularly under sold items, as it will tell you how much your cards are worth without having to spend any money (there are also price guide services that are useful)
Cards are only banned in Vintage if they involve the now-defunct "ante rule," use dexterity as a mechanic, or unequivocally impede the flow of tournament play (Shahrazad)