It has Fighting resistance -30: it takes 30 less damage from attacks made by Fighting type Pokmon
Pinkie Pie looks for smiles in art and party effects, Princess Twilight Sparkle cares about creature types, Rainbow Dash looks for haste and flying, Rarity and Applejack care about toys, and Fluttershy looks for tails
You can build new decks or use them to trade for other cards to round out your team
It can't really be worth less, so I guess it is a hold
Delve into sought-after booster boxes and starter decks featuring iconic sets like Revised, Foreign Black Bordered, and Urza's Saga
Gisa, the Hellraiser gives all zombies (and skeletons, but zombies are so much easier to build around) menace and +1/+1