While it's still fresh in the US market, we can make educated guesses about card values based on trends from the Japanese release and anticipated pricing on TCGPlayer
Well, the artwork shows why -- it's removing its own giant clockwork from its back
The cards available in volume 10 of Promo Series A are: Vanillite Dragonair Audino Jolteon Alcremie Promo Series A Volume 11 You can earn one pack of Volume 11 every time you beat the Blissey ex (Wisdom of Sea and Sky) advanced deck from the event battles list
Fairy Energy specifications: Pros Historical and sentimental value May become rarer and more valuable over time Cons No pretty art of Fairy Pokmon Most Basic Energy cards are dime-a-dozen, but that's no longer the case for Fairy Energy
In summary: Whatever the source (rule or explicit), Breeding Pool needs 2 mana abilities because other cards can take away one basic land type (and thus mana ability) while leaving the other intact - 305.6 simplifies the templating necessary to add and especially take away mana abilities based on the basic land types a land gains or loses
Sealed players who pick up an Evolving Wilds should include the land when splashing Westgate Regent
