Legitimate PSA, CGC, and BGS slabs have multiple security features: certification numbers you can verify on their websites, tamper-evident seals, specific label designs that are difficult to replicate, and quality encapsulation that fakes can't match
Most grading companies see the front centering as a very important aspect of a perfect card and will hold you to the 55/45 standard
Description Mightyena (#262) is a fierce Dark-type Pokmon known for its loyalty and pack mentality
Dark Confidant, Scapeshift, Through the Breach, Chalice of the Void, Engineered Explosives, Bitterblossom, Meddling Mage, Gaddock Teeg, Collected Company, Kolaghans Command, Goryos Vengeance, Scapeshift and Glen Elendra Archmage all have a role to play and I would expect at least half of those cards to see inclusion
This Charizard Pokmon card has pinballed from $165 in July this year, to $270 in October, to $210 this month