bugs report for witch engine

Witch Engine(US) has two ability what are swampwalk and add mana ability.
The Witch Engine's second ability about add mana when changed by oracle for october 2007.
So It's become a not mana ability and process on the stack as other ability as.
It have to need the add a process about targeting the oppornent player.
Please repair the program about forge.
The Witch Engine's second ability about add mana when changed by oracle for october 2007.
So It's become a not mana ability and process on the stack as other ability as.
It have to need the add a process about targeting the oppornent player.
Please repair the program about forge.