mickey mantle holographic card 1952 Topps Signed Porcelain Baseball RC PSA DNA Certified Mickey Mantle Superfractor 1/1 :

The best way would be to diversify your portfolio, and most importantly invest in vintage cards, preferably in a good state, and although they might get a little pricey they are the safest and most effective investment

a Shanks from Premium Booster The Best Vol

Also read: Pokemon TCG Pocket's A2 packs revealed, titled Space-Time Smackdown 4) Lucario Lucario enhances Fighting-type Pokemon with its Fighting Coach ability, which increases damage dealt by Fighting Pokemon by +20

Your deck must consist of a main deck with at least 60 cards in it (lets be honest, it should be exactly 60 cards with about 23-25 lands) and a sideboard of up to 15 cards