Coin flip decks tap into randomness, but they also want to harness it, tipping the scales in their favor any time they can
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
Then if creatures you control have total power 10 or greater, draw a card
The ones that were the most powerful back in the day, and so happen to be some of the rarest
Palantr of Orthanc Palantr of Orthanc presents foes with a choice that gets worse every passing turn, and can of course be made even nastier if you have effects that can put extra counters on it