While Wizards didnt give any firm release dates, and other sets may shift their release dates forward as well, the most likely reason to move the Winter set forward is to release it November or December in order to take advantage of the holiday shopping season
Burst Gryphon's level is also reduced by the level of the Special Summoned monster as a result
shuffle it into the Deck, then, if this card was co-linked when this effect was activated, you can draw 1 card
The type is defined by battlecruisers like Avacyn, Angel of Hope and Bruna, the Fading Light, so it loves the consistency Giada offers
Just in time for fall, Magics next horror-themed Standard set is almost here
Sure, the Prophets lack any sort of protection or evasion and you have to exile one of your own Merfolk when it enters, but the allure of multiple extra turns is simply too much to ignore