Collectible Card Game Headquarters

Describe the Bug:
Banshee's activated ability can't be activated.

Which card did behave improperly ?
Banshee

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
CoRM15 mini, duel

What exactly should be the correct behavior/interaction ?
Banshee's activated ability can be activated.

Are any other cards possibly affected by this bug ?
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Fixed in 7253f69

it can be activated, but it is backwards. Damage dealt to target is rounded up (should be down) and damage dealt to you is rounded down (should be up).

Fixed in d77039a