Collectible Card Game Headquarters

I made a deck with Cephalid Constable and it is crashing almost every game. I attached a savegame of just one crash but it happens a lot and for other reasons.

Describe the Bug:
Cephalid Constable crashes, usually when you try to target it with something. In this savegame I try to put Armored Ascension on it.

Which card did behave improperly ?
Cephalid Constable

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
Manalink update 25 March 2015: Fate Reforged /gauntlet but not challenge

What exactly should be the correct behavior/interaction ?
It should not crash when you target it

Are any other cards possibly affected by this bug ?
Don't know

Don't know what the cause is, but got this dump from the save game:

bad parameters
get_card_instance(-1, -1)
0: 0x023EF938
1: 0x023AAFDE
2: 0x023C227C
3: 0x0216F246
4: 0x023FAA55
5: 0x023B53AE
6: 0x004779D9
7: 0x004367C3
8: 0x023B57F0
9: 0x004766DC
10: 0x023B4C56
11: 0x023B51B7
12: 0x004371B4
13: 0x004771F6
14: 0x004B361F
15: 0x0043CD3D
16: 0x004399BD
17: 0x0047902C
18: 0x004946E9
19: 0x760F336A
20: 0x77E29882
21: 0x77E29855

The bug manifests only when the constable deals more than 1 combat damage at a time. (Which it seems to do immediately after you enchant it because the AI simulates combat afterward.) Fixed in a402c7a.