If it does see play (which it may not, given the speed of the format today), it is likely to help boost some slightly slower decks and reinvigorate some that existed previously
The episode is also the debut of the Time Lords as a power in the Doctor Who universe, wiping Jamie and Zoes memories of their adventures with the Doctor and exiling him to Earth, but not before forcing him to regenerate against his will
There's a new Jumpstart set on the not-too-distant horizons with MTG Foundations, so there's at least a chance we'll get one
This one feels steep for five mana, but I think its largely worth it
Theres a smaller theme around artifacts and blue based control deck, but you really have to steer yourself into those two for them to come up
Sun Titans success has certainly not been limited to just Standard, however