Some time ago there was a thread complaining that graveyard is broken and needed to be fixed.
I assume that people are frustrated by the phantom mob.
their charge attack can break your shield easily, then curse you, can catch you up all the time too.
my personal strategy is to use the ice bomb, and i started using 4* in T3 graveyards, so it doesn't have to be shivermist.

phantom has some ice resist, meaning that they dont get frozen that easily.
but as it chases your butt tight, try to give it a shield-bounce across the ice area, so it's forced to take a few more steps on the ice, that brings up the chance a lot more.
once it is iced, sneak around his back, do whatever you please. just remember he doesn't get knocked down, he gets back on his feet right away.

http://www.youtube.com/watch?v=1OxCDpekkLM
http://www.youtube.com/watch?v=DPipWXgZzXM
http://www.youtube.com/watch?v=EwJktJ-CuaA
http://www.youtube.com/watch?v=rCxQijeLOF8

and if you really dont have an ice bomb, shield-bouncing is still your only way out. its safe, but takes a bit longer.

http://www.youtube.com/watch?v=TR_puWxkLSM
http://www.youtube.com/watch?v=WrdAs1UcpEU

usually when i run with others, i suggest others to make use of the ice bomb i plant. just bounce or kite the phantom around the ice area, the team can get thru fairly safely.