Whats more, every pack includes a Mystical Archive instant or sorcery card with special art and a showcase frame, which gives this box a little more pull than the usual rare-chasing angle
Marionette MasterMarionette Master can become a wincon in a deck like this, using the Fabricate trigger to put +1/+1 counters on Master instead of just making the tokens, which will ramp up the damage we deal every time Whisper sacrifices our artifact creatures
An opponent chooses one of those piles
Can you lie low enough to create a position to win from
Thanks to the wording on a card, despite Caribou probably better-served being folded into the creature type 'Deer' or something, WOTC needs to list Caribou among their creature list
This constant threat of recursion and other graveyard-based synergies like delirium and threshold make exile-based removal absolutely critical