Creatures you control have protection from creatures with no names
Like most Magic: The Gathering cards, the value of Villainous Wealth depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Khans of Tarkir)
It's meant to be a special Draft format
Then you can pay three, remove three counters from creatures you control, mill yourself for three and then put a permanent with a converted mana cost of three or less back onto the battlefield
But if you just want to quickly get some tips on playing the deck, you can skip down to the sideboard guide, where I will list how we sideboarded in the tournament and provide a rough outline of how to play those matchups, which will also give you an idea of the metagames in which this deck is most suitable