Misprints occur where something happened in the actual physical manufacturing of the card itself causing an abnormality to occur
Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Enchanted creature doesn't untap during its controller's untap step
While at the time of writing we do not know if Valley Questcaller is part of a cycle akin to the Villages, cards akin to it are all but assured to appear
The anthem does make it much easier to reach the 12 charge counters which is a great perk
So much so, several of the multi-player gurus have complained to me that some of our life gain is too good