"The cards have serial numbers, and no boxes are the same
GST is included in the freight and buyers premium
You'll be able to "remotely" attack with Alakazam ex instead of your Active Pokemon
Like most Pokmon cards, the value of Steelix depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Plasma Freeze)
But, of course, provided you're keeping two or more cards in your hand when on the receiving end of a discard spell, you should always take into account what kind of synergy or play style will emerge from keeping each set of cards
Casting spells for free from your opponents graveyards is one thing, but then having them lose life equal to the mana value when you do cast them is pretty nutty