My flying Icefeather Aven was blocked by a Mardu Warcaller without flying.

[BlackBeltBob]

Playing against Computer player: Mad, skill level 1.

After having succesfully cast Savage Punch on Summit Prowler and having it kill a abzan battle priest, I attacked with said Summit Prowler and a Icefeather Aven. The game allowed the Mardu Warshrieker to block my Aven, even though it was an illegal target for him.

[LevelX2]

Duplicate of #476.
There should be a dump about this illegal block in the server log file.
Would be good, if you could add this part of the log here (see #476 for example how it looks).
Thanks.