aegislash pokemon cards (Mirror Foil) - SV8a: Terastal Fest ex [MIRROR FOIL] [Near Mint] Special Conditions Pokemon Card Game/[S4a] Shiny Star

But how can one tell beforehand what the card might be graded

By purchasing Scarlet and Violet: Journey Together Pokemon TCG Live codes you can acquire the following cards: Ns Zoroark ex, Lillies Clefairy ex, Ionos Bellibolt ex, Hops Zacian ex, Volcanion ex, Mamoswine ex, Salamence ex, Dudunsparce ex, Veluza ex, Paldean Clodsire ex, Brocks Scouting, Iriss Fighting Spirit, Ruffian, Black Belts Practice, Professors Research, Ns Castle, Levincia, Postwick, Spike Energy

At best the Daru looked like they were wearing slightly weird beige armor

The selection in Best Selection Vol.3 includes twelve iconic cards from sets OP-04, OP-05, OP-06 and OP-08 , supplemented by popular cards from starter decks ST-04, ST-05 and ST-13