You are forced to take their word when they claim their card is in "Near Mint condition"
Blue and red don't offer the best sweepers in Magic, but they have enough to get the job done
By Invitation Only Expel the Interlopers Ineffable Blessing Liquid Fire Look at Me, I'm R&D Mindblaze Sanctum Prelate Scrying Glass Shapeshifter Squall, Gunblade Duelist Squee's Revenge Talion, the Kindly Lord The Toymaker's Trap Void Yusri, Fortune's Flame
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
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