Grab your magnifying glass, and follow the whispers
"Mill" is a colloquial term that originates from the card Millstone, used here to mean "putting the top cards of a player's library into his or her graveyard." For example, you could say, "In the finals of the Pro Tour Qualifier, Herbert cast Tome Scour to mill away my final five cards, dashing my chances of playing on the Pro Tour." There are many players who will play with Tome Scour in their decks
A permanent is any object on the battlefield, including tokens and lands
First, you can cast Jin-Gitaxias, Progress Tyrant
These cards are so bad, they dont deserve much more of an introduction than this
Spending mana in the early turns to add zero relevant permanents to the battlefield is like digging yourself a hole