Despite their abundant synergies, the card is outstanding all by itself
A typical play pattern back in the day was casting your first Jar, finding a second copy of it, casting it again, and then eliminating your opponent with the help of Megrim
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Draw a card
Other cards may care about which lands are Towns.
Blinking a face-down card turns it face up, so can be a much cheaper way of flipping them than paying their regular cost
These prices could easily be the new norm for UB sets, and with such a packed release schedule in a single year, they don't seem to be here to favor the consumers at all