No, a card discarded then played with madness does not touch the graveyard unless something sends it from the battlefield to the graveyard
Some booster boxes will have a higher density of more expensive cards from their release date, ensuring you can break even or profit from them by reselling the complete booster box, individual booster packs, or single cards
The Balduvian Bears is actually a functional reprint of Grizzly Bears, but it's nowhere as significant as something like the Fyndhorn Elves above
I have Crypt Ghast, Gauntlet of Power and both coffers so tons of mana, also I have Bowmaster and Yawgmoth, Thran Physician
The astronomically small chance of opening a card potentially worth millions created a global frenzy, causing Collector Booster box prices to skyrocket
Each Special Edition Collector Booster is guaranteed to have 1 of the 10 in surge foil