The crystal type Pokemon cards appeared from the third volume "Wind from the Sea" of Pokemon Card e Booster Pack
The Pokmon TCG was one of the first card games to embrace online play
Pollywog Prodigy may be a bit more dependent on its power to draw cards, but its ceiling is far higher with the potential to draw multiple cards each turn
Good luck finding one on TCGplayer, as a lone sale determined the market price
Stormbreath Dragon Price at Release $25 Predicted Price $4-$8 Current Price $20 This was another controversial prediction, and boy was it awful
Necromancy Market Price: $7.37 A slightly more expensive Animate Dead that removes one drawback (the -1/-0 clause), tacks an additional to its casting cost, and allows it to be cast at instant speed, though you have to sacrifice it at end of turn (which, of course, kills the creature you reanimated)