recipe card binder inserts with Plastic Sleeves - 3 Ring Binder - Includes 40 Blank Recipe Cards, 8 Category Dividers, and 20 Dual Pocket Sheet Protectors catching Black Recipe Card Protector Pages, 15

Their own Level 10 Slime monsters that search out a Spell/Trap card related to them could be a good start, but they'll need different Special Summoning conditions to differentiate them from Guardian Slime

The Big Three Grading Companies What Grades Mean for Pricing The difference between grades is not linear, its exponential at the top: What to Grade Dont grade everything-its not cost-effective

Use a bubble mailer at minimum

Be careful of imitations as only authentic Pokmon cards are desired by collectors and only those cards bring high values

It has a +20 weakness to psychic type Pokemon, no resistance type, and a one colorless energy card retreat cost