In the beginning, you "millstoned" another player, but with time "millstone" became "mill" as "mill" is actually a word, and a verb at that, so it sounded better
Technomancer is the workhorse: it enters, mills three, and returns any number of artifact creatures with total mana value six or less straight to the battlefield, so one card can rebuild half a board
The good points about Deed keep coming
It also means characters can sing, challenge, or quest again
Obviously, angels almost always have flying, so Errant and Giada works very well with them
According to Guinness World Records, the title of 'world's rarest trading card' is tied between the 1996 World Champion and MTG's Shichifukujin Dragon cards, in which only one specimen of each card exists