The Memory system adds a very tactical component, and you can play some nice mind tricks on your opponent through it
Charges for Domestic USA Shipping are based on weight, regardless of how many items are won, or the hammer price of the lot(s) won
Everything I said about the 800-count applies here, although their larger plastic offering is smaller than this
Id say most Commander players would find that sort of play distasteful and will generally save LD for specific threats like Gaeas Cradle, Maze of Ith, and Cabal Coffers, but be aware that your mileage may vary depending on where you play
If you're going for pure speed, and considering you can dish out well over 8000 damage with Lightsworns, why don't you have any Upstarts in that build
The creature enters the battlefield normally unless stated otherwise by one of the relevant cards