In the case of Commander Masters, textured foil, foil-etched, and extended-art cards from the set can only be found in Collector Boosters
Leading up to the decks release, Magic had 600 Wizards in the game, 300 of which were blue
Which other creatures do you play in toughness-matters decks, and how do you take advantage of them
The +1/+1 counter ability was used for autumn, when the priority is to gain strength in preparation for winter
Equipment Matters / Metalcraft This one is a little less likely, but if the set opts to use artifacts for many of the relics and weapons of the Third Age, then metalcraft or other equipment payoffs are mechanics that could work
Certain tournament-winning deck compositions would remain unfazed, but plenty of others would morph into some sort of Radiant Trading Card Game theme deck