Whenever this creature transforms into Sygg, Wanderbrine Shield, target creature you control gains protection from each color until your next turn
If Iron Spider does see Standard play, this is perhaps its only shot
Teaching games - small streamlined decks tend to focus on one strategy, and use a few specific tactics, mechanics, to get there - a larger and more unfocused deck can be used to teach new players broader groups of mechanics and the way they interact better than competitive decks can
They are, however, legal for play in Mystery Booster 2 Limited formats, so if you happen to have one in your Draft or Sealed deck, have fun with it
(To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Found Footage's first ability lets you look at face-down creatures whenever you want, even if you don't have priority