The rules allow cards to create tokens that have the same name as anotherProgenitor Mimic and The Scarab God come to mind
Examples of practices associated with scalping include going to a store early specifically to clear out the entire stock of a certain TCG product, reselling a product at several times its true costparticularly if done almost immediately after buying it, using bots to pre-order products in bulk, and ransacking physical stores in pursuit of as many copies of a particular TCG product as possible
You can also use some of the sacrifice outlets available to black, like Diabolic Intent, Thraxodemon, and Kill-Zone Acrobat to pad your graveyard out more if you need it
Support for scanning sports cards and other trading cards has been promised for some time in the future
Metallic Mastery, Seething Song, Song of Blood, Songs of the Damned, Apocalypse, All of the death cards like Certain Death, Death Baron, Death Cloud, Death Speakers, Death Stroke, Death Watch, Death Wind,Death Wish
whereas when it first came out, there was a sort of push back