You are forced to take their word when they claim their card is in "Near Mint condition"
I think Aisha of Sparks and Smoke has its uses and can earn a place in tons of decks, but I find its design a bit unintuitive and I dont really love that
Ignore the stigma of potential counterfeits by buying from trusted, reputable vendors: I buy exclusively from MTGMintCard, because they have great pricing and are (I think) based in the US, allowing for cheaper and faster shipping
Claw of Darkness Look at your opponent's hand and discard 1 card you find there
Lastly, the Registry allows me to send my collection to card shops and bulk graders, so they can help me find the elusive cards I still need to complete my sets, like that Fighting Energy in a 9.5 from 1st Edition Gym Heroes, which only eight people sent in to grade, and I need to complete my set
At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.) A spell's mana value is determined only by its mana cost