Nightfall

Untested.

Flip both champs asap with nightfall. Snapvine for late game push with flipped Nocturne. Solari and Fading Memories are nightfall triggers. Mark of Isles is to keep Nocturne alive against damage based removal on the kill turn (which ideally is turn five or six, with a flipped nocturne, flipped diana, and a few low cost plays).