While not ideal, this can be remedied by adding an unsleeved card on top of the inner sleeved card and then inserting as normal
A mana base can be simple (say, seventeen Plains in a mono-white Limited deck) or it can be quite complex: featuring multiple colors of mana, lands with unusual abilities, and indirect methods of making mana (via artifacts, creatures, or spells)
He enters tapped and attacking.) Menace (This creature can't be blocked except by two or more creatures.) Other Ninjas you control get +1/+1
Thats not all-inclusive, but its a start
Agency: The Auctioneer is acting as agent only and is not responsible for acts of its principals
Gus is a huge grinning fat imp-thing that's bothering some poor dude in a nightcap that just wants to sleep