One of the most popular limited formats is Booster Draft, in which players open a booster pack, choose a card from it, and pass it to the player seated next to them
The nice thing about Hex Parasite though, is that you can keep doing it so long as you always have mana open to pay the cost, especially if you pay the phyrexian mana with life instead of mana
By the way, while the matches continue to be competitive, the goals can be achieved by the players together
That being said, as a deck itself, its not nearly as good as the Emerald/Steel deck that came out this set
I have tested with Case of Crimson Pulse (which started me on this Codebreaker journey) and I have lists drawn up that use one of Robber of the Rich or Lord Skitters Blessing
The player puts those cards into their hand, then shuffles