Genuine Metallic Pokmon cards have a fine, metallic sheen that can be seen under a magnifying glass
Honestly, it's a good thing that no one actually needs every version of every Magic card because even though Magic is the best game of all time, if you have $30,000 laying around, you can probably find something better to spend it on than one year's worth of cardboard
Storage conditions Beyond physical protection, the environment matters enormously: Temperature -- Stable, between 18 and 22 degrees C (65-72 degrees F)
A pile of cards have already spiked on the back of this reveal, including Paradox Engine, Unwinding Clock and Thran Turbine
Getting caught by the restrictions of some cards The first is that some of the restrictions on "Exosister" cards make it impossible to use "Bystial" cards
Admittedly as the Crimson Vow was only revealed last week, so prices are a little chaotic at present