If you have enough of them in your deck, you can even reduce your land count slightly, making it more likely for you to draw into more gas
Yes, specifically the Bundle and Fat Pack boxes are made of thick cardboard and are quite sturdy, though they should be placed inside a secondary shipping box for maximum protection during transit
That will add the decks to your MTGA collection
Bebop, Skull & Crossbones + Rocksteady, Mutant Marauder Technically only Bebop, Skull & Crossbones draws cards in this partner pair, but it would be foolish to run it without Rocksteady, Mutant Marauder, which adds so, so much to the deck
Bomat Courier is better if midrange and control decks are popular, while Zurgo Bellstriker is better if speed is what you care about