I've heard Dralamar has a revamped combo in PTR with Alastrina, Static Aetherbug, and two Inks, the magic combo roach can't be stopped.
In a vacuum Prayer didn't look too bad but Light has so many sticky cheap creatures with Vicar, Homeguard, Hoplite, Vesper and can flood the board again and again so easily with echo that it had to go.