The thought of each color getting its own legendary dragon made me very excited initially, but I was quickly shocked at just how dull this blue one was and that it was a reprint
Sheltered By Ghosts is a card that will be in the 75 of every white creature deck next year: if you can guarantee it resolves (with ward creatures or Shardmages Rescue), then it should be a 4-of in the main
The best thing that WotC could do right now is to kick the Reserved List to the curb and start drafting plans toward reprinting many of the games most iconic cards
I once ran a Norin the Wary deck that focused on these kinds of effects, and this looks very similar to me in the way you can make use of it
1 Foil-Etched + 1011 Traditional Foil cards in every pack
Its not that effective of a lord since its a 6-drop, but its a combo engine, a stax piece, and a recursion effect all in one, so its hard not to get your manas worth with Mikaeus