It works well if you can effectively make more land drops or if you have landfall synergies
Regardless, I dont know that now is the time for more than 60 cards, but I do know that as the card pool expands, it gets easier and easier to find more spells of a similar power level, but no other lands are close to the power level of fetchlands, so the incentives to build to maximize the power of our lands over the power of our spells do increase in some way over time, which is to say that, even if its not right now, it could be someday, and getting there first might be the best way to truly break Modern.
In the case where you have one or more copies of a specific rare card and the decklist includes only one, you will not receive anything for that card
Whenever you pitch a creature, this card lets you pay extra to create a 4/4 zombie copy of it, turning what would normally be a cost into free value
Black Market: Like Pitiless Plunderer, Black Market tracks creature deaths and gives you mana, but instead of a one time payout, this enchantment gives you mana each round
