As for Stoneforge it is certainly more up for consideration as a cut
Given their release dates, these sets are creeping closer to vintage categorization as time goes on, and there's no telling where the Pokemon market may be in a few years
Shadowbeast Sighting Shadowblood Egg Shadowblood Ridge Shadowborn Apostle Shadowborn Demon Shadowcloak Vampire Shadowed Caravel Shadowfax, Lord of Horses Shadowfeed Shadowgrange Archfiend Shadowheart, Dark Justiciar Shadowmage Infiltrator Shadows of the Past Shadows' Lair Shadows' Verdict Shadowspear Shadowspear Shadowstorm Shadowstorm Vizier Shadowy Backstreet Shifting Shadow Shineshadow Snarl Shredder, Shadow Master Skemfar Shadowsage Skyclave Shadowcat Slice from the Shadows Spiteful Shadows Sword of Light and Shadow Tergrid's Shadow Thousand-Faced Shadow Ukkima, Stalking Shadow Vicious Shadows Wall of Shadows Xecau, Predation's Shadow Yuriko, the Tiger's Shadow Yuriko, the Tiger's Shadow
These decks shine because they balance power, personality, and pure fun
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Yard Sale or Garage Sale This may be the either the obvious answer or an option you have yet to consider