Each deck set includes 1 ready-to-play deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a Collector Booster Sample Pack (contains 2 Traditional Foil or nonfoil special treatment cards, with 1 Extended-Art card of rarity Rare or higher and 1 alt-art, alt-frame card of rarity Uncommon or higher), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card
Nothing, other than Wish, is near it, and then only in the right circumstances
The most keen of collectors will want to craft cards if they wish to complete their collections, however
The current decks (if there are any
The printing of Benthic Biomancer and Zegana, Utopian Speaker means there are now enough good Merfolk Wizards to play Wizards Retort effortlessly, if you want it
Constructed decks being able to do their things more consistently gives them incentive to be even more linear