While there might be millions of copies of any individual new card released in a current-day set, the original set (Alpha) only has 1,100 printed copies of each Rare card (the ones that are hardest to have acquired from packs of the product back in July of 1993)
The set had a gothic horror theme that played into dark transformation, so you would play the card as side A and the transform it into side B, Mark Rosewater, Magics head designer, told io9 in a statement over email
1 Great Oak Guardian
Its all about getting your creatures to 7 power to trigger additional effects from Cloud or Tifa, while minimizing equip costs to allow you to switch gear and keep opponents guessing
Preissler And there you have it, the best Doctor Who MTG cards
Having a quick way to tap Kona, Rescue Beastie or Kilo, Apogee Mind is always handy (and, in the latter's case, can then proliferate those charge counters for even more profit), even if you're not expecting to make use of a station card's abilities