6 months ago, I said this:

Personally I'm looking forward to using Vanish from Sight to build a Secrecy deck with Elrond and Gandalf as the heroes.

If anyone thought this idea was merely idle speculation, they were mistaken. The concept has evolved over time to account for some more pragmatism, and it still owes a certain amount of its existence to shenanigans rather than optimal play, but after 10 different iterations before publishing, here is the two hero Gandalf/Elrond nonsense I've been working on: