There are plenty of high casting cost options that Unexpected Results could spike off the top of the deck, and it works on any non-land card be it spell, planeswalker, enchantment, creature, artifact, whatever.
All this on top of a spate of reports in sections of the press hostile to HS2 casting so much doubt on the project that HS2's chief executive Alison Munro felt it necessary to tell MPs recently that it was still "full steam ahead".
Assuming there would be room at the top with Comcast's Steve Burke, the likely candidate to run the combined company (See "Casting Hollywood's New Power Player"), Zucker will have to hope that his cable successes outweigh his broadcast flops in the eyes of his prospective new bosses.