[confirmed]Murmuring Bosk deals damage when tapping for 1

Describe the Bug:
When Murmuring Bosk is tapped to pay for colorless mana costs, no matter whether it's manually or auto-tapped, it deals 1 damage to its controller.
Which card did behave improperly ?
Murmuring Bosk
Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
JOU,duel
What exactly should be the correct behavior/interaction ?
When Murmuring Bosk is tapped to pay for colorless mana costs, no matter whether it's manually or auto-tapped, it is considered to be tapped for
and hence doesn't deal damage to its controller.
Are any other cards possibly affected by this bug ?
This seems similiar to the already fixed Vivid lands issue.
When Murmuring Bosk is tapped to pay for colorless mana costs, no matter whether it's manually or auto-tapped, it deals 1 damage to its controller.
Which card did behave improperly ?
Murmuring Bosk
Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
JOU,duel
What exactly should be the correct behavior/interaction ?
When Murmuring Bosk is tapped to pay for colorless mana costs, no matter whether it's manually or auto-tapped, it is considered to be tapped for

Are any other cards possibly affected by this bug ?
This seems similiar to the already fixed Vivid lands issue.