Your search for "Megantic Sliver 651" revealed the following:
Megantic Sliver - Surprise Slivers (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Ryan Barger Card Text: Surprise SliversSliver creatures you control get +3/+3.
Charmeleon - 169/165 - Scarlet & Violet 151 - Illustration Rare - KSA MINT 9 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!