card sleeves soft 500 Counts for Trading Cards, Penny Card Sleeves Clear Plastic Card Protectors Fit for Baseball Card, Sports Cards, MTG Game Card Standard Cards : Toys & Games and more. Collectible Supplies Soft Penny Card

It'll be interesting to see how the next expansion, rumored to be focused on the Legendary Beasts, will shake things up

On a separate note going back to my original question

Blastoise is a bit of a tricky case, as it does have a market price for its reverse holo version, but its actual price still greatly exceeds this estimate

SE Secret Rare Sky Striker Airspace - Area Zero X SPELL Field You can target 1 other card you control

CR COLLECTOR'S RARE SR Super Rare Time to Stand Up X TRAP If a Dragon Synchro Monster is on the field: Special Summon up to 2 monsters, that are "Resonator" monsters and/or Level 1 Dragon monsters, from your Deck