First, it buffs ATK, but then it also removes spells and traps
Dragonclaw Strike
This is thanks to the very conservative design decision to give Elspeth only downtick abilities, ensuring that no matter how often you bring her back, she will naturally go away again on her own
This can again, go either way
Ive got a few people wanting to grade some through me and thats the method Ill be using once I find a deal on eBay that doesnt slaughter me with postage to Australia lol As for costs, what @gemmintpokemon has said is correct =) If you need further help, let me know
Factors that determine the value The price of a Pokmon card is determined by several factors: Rarity Common , Uncommon , Rare , Holo Rare , Full Art , Secret Rare , and Alternate Art