Typically, you want to keep the average mana cost as low as possible, otherwise, your cards will be too expensive to play on your turn
As I explained earlier, anything that doesnt directly enhance the primary game plan was replaced with something more suitable
Fortunately, there are a few MTG slivers that can fill this role for you
Then the five-mana one has size equal to everyone's graveyard count - here
Contents: Booster Pack [OP-10] x2 DON
While generally speaking it's still expensive cards that are counterfeited, some of the printing operations allow you to quite literally order any card you want, and they will print it for you, so no cardhologrammed, foiled, or normal, or cheap or expensiveis 100% safe from being counterfeited