While I am not one of those people ( I prefer to do my shopping on either TCGplayer or eBay), I know many serious Pokemon players and collectors who regularly purchase from Pokemon Center
Mayael's Aria - B Another massive EDH only card, Mayael's Aria is actually a fun alternate win condition mostly because of how hard it is to activate
These are Merlin Goat and Merlin Rabbit
Set: Snow Hazard Rarity: SAR Value: ~$120$180 USD Why its expensive: Legendary Pokmon + competitive relevance in water decks makes it a top chase for both players and collectors
Venusaur (Holographic): While not as valuable as Charizard, Venusaur still commands respect and high prices, particularly in 1st Edition and Shadowless forms
Back Optimus Prime, Autobot Leader Legendary Artifact - Vehicle Living metal (As long as it's your turn, this Vehicle is also a creature.) Trample Whenever you attack, bolster 2