Quick fake-detection checklist: Measure width and height against 2.5 x 3.5 (63.5mm x 88.9mm) Check thickness against ~0.30mm Inspect corner rounding for consistency Hold up to light and check for the opaque black core Compare weight against a known genuine card (~1.8 grams) If a card fails two or more of these checks, treat it as counterfeit until proven otherwise
Your number can fluctuate a fair amount otherwise, but mana rocks and supporting artifacts as a theme by volume are the two tentpoles that cause radical shifts in the number, which will in turn affect your counts most for cards in the various colors
Want an even higher floor? Move up to Hit Kings ($50$500)
Indris, the Hydrostatic Surge shuffling a Lightning Bolt with storm into your library is a cool concept, and Infestation is just a powerhouse evoke creature if you're playing formats where it's legal
Some of these cards, like limited edition cards, shiny Pokemon, and so on, are extremely valuable and command high prices, but it's important to make sure you that you're purchasing old or used cards from reputable dealers when shopping online