Satoru Umezawa [Less than $1] Theres a lot of text on this card, but let me save you the trouble
You see, for X mana and one Black or Phyrexian mana, you can remove up to X counters from a permanent, and then Hex Parasite get +1/+0 for every counter removed
The set had the following card: Here's my conversation with the development team
I imagine the price point alone might deter would-be Magic players who are trying to get into the game through this set
Still, this card is not perfect: Its difficult to build a deck that can make Murktide shine entirely, apart from UR Murk: cheap spells, counterspells and removals are usually a mix only playable in Izzet decks
Hold the card in your fingers and apply the slightest amount of pressure with your thumb