Drawing more cards to adjust the sample size instead provides a better, more flexible means of creating consistency
4 Espeon [Daisuki Club] Japanese Promo Card Estimated Value: Recent sales are anywhere between $6,400.00 and $14,000.00 (gradings vary) This card is very rare and almost impossible to pick up
In a format where powerful creatures are commonplace, being able to exile a creature is a significant advantage
Creature - Beast Plant Color tag templates(None) Elemental Bond Whenever a creature you control with power 3 or greater enters, draw a card
And of course, only big collector's will want the Black Belt promos (as it's player bulk, and I can't imagine the average collector will care), and a larger market will want the Professor's but I speculate no more than a few dollars a piece on those at release, if that