If you receive more promo cards than there are weeks in the season, you may award them to event attendees at your discretionjust be sure to reserve one for each week's winner during the season
Cubes are fully customizable, and while some players prefer to play the most powerful cards, many players opt to build cubes around their favorite themes and strategies
If you dont remember what was said there, I highly recommend reviewing it, but the super short version is that you count your mana symbols, figure out their ratio, and then apply that ratio to the number of lands you plan to play
Youre never short on damage, and cards like Wrathful Red Dragon or Scourge of Valkas can close games in a hurry
Battle for Zendikar and Shadows Over Innistrad (2015 - 2016) After the second wave, the vampires would retreat to their coffins and hibernate for 3 years while Magic went through other sets that eventually brought one card or another to be used in the archetype, but without treating it with any specific attention
As just a discard outlet however it is as quick as most and pretty good