are there fake pokemon cards Identifying Pokémon Cards: Key Tips and Tricks How to Spot REAL vs

The official rules are as follows: (a) You may choose to pay [cost] rather than pay this spell's mana cost

Speaking of expensive cards, Karn, Scion of Urza appears to have stabilized for now

2 Rhystic Study Players will never have to worry about drawing enough cards with Rhystic Study on the board

Although its another example of a card that has been power crept out of the formats it was once a staple in, the design has been iterated on many times since then on cards that take their origins from this stalwart

Can you dismantle cards in MTG Arena

Anyway I bought the cards, from all the info here should be real but can someone with more knowledge than me about this can confirm