Some decks really struggle against vapors, its a unique answer to certain
threats, and against the rest its like a pseudo wrath in conjunction with cards like
archaeomancer etc. Remember, this is slower format, which makes vapors much stronger.
I think
utopia sprawl would be my pick here, and try to go into some sort of ramp or big mana control deck, or maybe even combo. Bombardment is a very strong card, but I feel its more narrow in its applicatons compared to sprawl, and the ceiling is lower.
I don't know though, its a tough pick. All three of those cards are ridiculous in the deck they go into.