First edition cards from Gym Heroes will always be desirable, but luckily you don't have to shell out a fortune for this Onix
[2] If this card is Normal or Special Summoned: You can add 1 "Melffy" monster from your Deck, then if you added a Normal monster, you can Special Summon any number of Beast monsters from your hand
by stopping the use of Abilities that draw cards), which makes keeping it in play a bit more difficult
High-flying superstars such as Deoxys, Dragonite, Zekrom, Hydreigon-EX, and Thundurus-EX call you to battle higher, faster, stronger
Despite the lack of available sales data on TCGplayer, this card's market price should be confirmed once some of the listings sell, as they all exceed the current sales data
Whether you're in it for the beauty or the ROI, Sylveon GX is as magical as it is marketable