Your search for "Swamp 270" revealed the following:
Swamp (048) - The Tokyo Lands - Japanese (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Mr. Misang Card Text: The Tokyo Lands
Gallade (Japanese) - 270/XY-P - Promo from XY-P: XY Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: 5ban Graphics Card Text:Ability: Premonition Once during your turn (before your attack), you may look at the top 5 cards...
Snorlax VMAX - 206/202 - Sword & Shield Base Set - CGC GEM MINT 10 is available at 401 Games Canada! You can find lots of other Pokemon Singles products as well as more great items from Collector's Corner!