Even the decks I might have put at the bottom of the list were leagues better than precons we were getting pre-2020 - so, perhaps
The shadow appears behind the art and is called out by the red arrows
While it takes a little bit of work for it to become a creature, even just getting one charge counter on it via Station (or other means), turns into a counter-producing engine
You do need to control a swamp to cast it for free, so make sure you include some basic Swamps with your other nonbasic lands
Once a card is slotted into a sleeve, its protected from all the forms of wear discussed above
Each card in this slot hasn't appeared with a white border before this, making it your first chance to grab highlight cards like a white-bordered Goblin Guide or Uro, Titan of Nature's Wrath