In fact, Winter, Cynical Opportunist encapsulates all three stages of this deck's game plan by allowing you to mill when he attacks and reanimate permanents provided you reach the quota for a Delirium trigger
Sending a card to a service like PSA to be authenticated and rated on a 10-point scale can dramatically increase its value
EX12-071 C Option Alternative Art Saneiketsu Invitation Color Black Blue Red Cost 3 Type Shambala/SW Card Text 1 [Effect] Use Req
The full spoiler has confirmed a few cards which had been previously leaked or previewed but not verified by Wizards of the Coast as legitimate - specifically, the non-masterpiece version of Paradox Bridge (from our December 28, 2016 article) and four of the five Story Spotlight cards (from our December 06, 2016 article)
Ice Hand, however, is more proiminent because Spell/Traps are more vulnerable and aren't easily replaced
The most important rule in the game is that you should be able to play a card each turn