how to tell what set a yugioh card is from If Cards Are Rare How to identify 1st edition

But people on online forums, Reddit, etc

Spinarak (Peelable Ditto) #6Common $15.13 Charmander #8Common $0.20 Bulbasaur #1Common $0.25 Venusaur #3Holo Rare $1.01 Slowpoke #19Common $0.20 Numel #13Common $0.17 Snorlax #55Holo Rare $1.32 Lapras #23Holo Rare $0.27 Eevee #54Common $0.30 Sylveon #35Holo Rare $0.84 Armored Mewtwo - SM228 #SM228Promo $283.86 Cresselia - 87/236 (Mewtwo Stamped) #87Promo $0.22 Cynthia - 119/156 (Mewtwo Stamped) #119Promo $0.33 Eevee - 49/68 (Mewtwo Stamped) #49Promo $0.86 Espeon - 89/214 (Mewtwo Stamped) #89Promo $1.60 Hau - 120/149 (Mewtwo Stamped) #120Promo $0.14 M Mewtwo EX #43None $49.75 M Mewtwo ex - 028/059 #28Double Rare $80.00 Mewtwo Collection Battle Arena Decks: Mewtwo EX vs Darkrai EX Elite Trainer Box [Mewtwo X] Elite Trainer Box [Mewtwo Y] $990.00 BREAKthrough Pin Blisters [Mega Mewtwo] (Set of 2) BREAKthrough Three Pack Pin Blisters [Mega Mewtwo X] BREAKthrough Three Pack Pin Blisters [Mega Mewtwo Y] Mega Mewtwo Collection (Set of 2)

So long as one of the types printed on the card is the assigned focus type, the card is permitted

But the shiny is just

This deck makes use of Lyra to let you switch out Dragonite ex

Not a terrible ROI