There are Pokmon TCG websites with deck lists that support this function, allowing you to create championship-winning decks in just two clicks, which is an amazingly fantastic idea
Should anyone buy them, and if so, is that anyone you
Fire-type decks had two representations in the top 4, a1-41-arcanine-ex a1-47-moltres-ex and a1-36-charizard-ex a1-47-moltres-ex
Make them discard their hands with your Wrench Minds, Thoughtseizes and company, stick The Rack and/or Shrieking Affliction and keep their hands empty
If you still want to take advantage of some explosive, if not situational, mana options, you could look at Carpet of Flowers
Tapping 10 other Elves sounds like a lot, and it is, but any respectable Elfball deck can do so pretty easily