If another creature enters the battlefield as or becomes a copy of Pirated Copy, it will copy whatever Pirated Copy is copying, be a Pirate in addition to its other types, and have "Whenever this creature or another creature with the same name deals combat damage to a player, you draw a card." If Pirated Copy doesn't enter the battlefield as a creature (such as by copying an artifact or land that became a creature), it doesn't become a Pirate, though it still has the granted triggered ability
Add it to a deck, track its win rate, and see how it performs across your playgroup free
Unfortunately, it interacts poorly against hexproof creatures, and its effect stops functioning in one-on-one scenarios
The more tutors you play, the more likely you are to get your hands on the card you need
Moving counters is still relatively unexplored territory in Magic as a whole, let alone as the theme of a Commander precon