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Describe the Bug:
I had Kami of Ancient Law enchanted with Murder Investigation and Thief of Hope in play,AI only lands.AI played Eyeblight Massacre my creatures died correctly but I got a 1/1 token from Murder Investigation which shouldn't happen as Kami of Ancient Law was 0/0 when it died.

Which card did behave improperly ?
Murder Investigation?

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
Manalink 2015/12/25: Battle For Zendikar,duel

What exactly should be the correct behavior/interaction ?
When enchanted with Murder Investigation creature dies having 0 power no creature token is put on battlefield.

Are any other cards possibly affected by this bug ?
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generate_tokens_by_id() always makes at least one token, even when asked for zero or a negative number (as in this case). I can't imagine what broken hack that was put in for, but I'm calling it that hack's reponsibility and not generate_tokens_by_id()'s, and removing it. Fixed in 14ab14e.