First, there's a new mechanic called Sneak, which is a riff on the pre-existing Ninjutsu, in which players can cheat big creatures onto the battlefield whenever an attacking creature goes unblocked
The first thought on everyones mind is "what about X cardisnt it a bomb?" The answer is usually "not as much as you may think" simply because people tend to overestimate flashy effects and tend to underestimate the inherent drawbacks of expensive cards (until today!)
Smaller numbers are generally bestdecks tend to have more 2- and 3- than 5- or 6-dropsbut you can also use information on your opponents commanders to choose the best number to draw the most cards
Players can also purchase a Booster Bundle for between $35 and $40 depending on the retailer, including an alternate art foil card, 20 foil basic lands, and 20 non-foil basic lands alongside nine Play Booster packs
Unfortunately, a mana value of 8 makes it hard to find a place for Avacyn