Some of these types can overlap in the same deck, too
As long as neither player is manipulating their library or using their graveyard, using a Millstone does nothing but reveal information until the player being milled runs out of cards, but it took more explanation than you can possibly imagine to make players understand this
Therefore, if you cast when you have received 4 points of damage and this increases to 5 points before the point of resolution, the total damage dealt to the Forwards will remain 10000
Thats a lot of potential card draw for one slot, and its very reminiscent of other effective card draw tools like Deep Analysis
For its Lord of the Rings Magic: The Gathering set, Wizards of the Coast has printed a special, one-of-a-kind, The One Ring card and hidden it in special packs