When youre starting out, theres a lot of appeal in cracking open packs to see what youll get, but for more seasoned collectors, the best method might be buying single cards
James Press
Ungraded & graded values for all Pokemon s4 Pokemon Cards
I consider the card not only nostalgic, beautiful, and historical, but also a fantastic investment." He sums up his thoughts about the rare card in one simple phrase: "it's pure magic." You can't put a price on happiness, but you evidently can on magic, and it's around $900,000.
The worst part of this card is the fact that is always needs a blue mana and would likely be much more exciting as a 6 or 7 mana colourless spell
My best guess is trying to use it like an extra blink for powerful enters-the-battlefield effects, but an emphasis on using it on your opponents stuff is also something to explore