Blue is my favorite color to play in Magic, and even though creatures arent usually at the forefront of blue decks, it still has some of the most powerful creatures in the game
In fact, I could see putting in a few protection spells if they deck wants to be heavy on creating one huge creature
You can't choose cards in any zone other than the battlefield, even if they have counters on them
The Aura of Courage Adventures in the Forgotten Realms Commander Deck set includes 1 ready-to-play deck of 100 Magic cards (2 traditional foil, 98 nonfoil), 1 foil etched Display Commander (a regular-sized copy of the commander card on thick cardstock, etched with textured foil), 10 double-sided tokens, 1 life tracker, 1 deck box (can hold 100 sleeved cards), and 1 reference card, all in reduced-plastic packaging