On the other hand (in practice), it has really pushed a few broken combinations to the forefront of the format and allowed for the proliferation of a generic, good stuff-style of deck that can be stifling for the format at all power levels
Rancor is a card that is different than many of the cards listed here, because creature enchantments are rarely played anymore
With that said, the Detective classification of cards in that deck really puts in the work as well
Or maybe you just wanna buff up an extra creature each turn
When Gatecrash design started I pushed hard for a milling mechanic with the playtest name of "grind." While grind stayed in the set, we decided we wanted a different mechanic to be the Dimir keyword, so I spent some time thinking about a new replacement
As such, the bottom line is that current fake cards are extremely unlikely to pass through the hands of a long-time Magic player without being detected but may fool newer players, and the best of the current counterfeit cards are very likely to pass unnoticed through tournaments, especially when double-sleeved and only seen from across the table