This doesn't target any creature
Maybe the designers decided that they could only accurately reflect these characters by spreading them out across the color pie, or they felt some obligation to get green in on the action somewhere
Top of the Duskmourning, Part 2 Last week, I introduced the Exploratory Design and Vision Design teams, showed off some cool previews, and talked about the beginning of Duskmourn: House of Horror design
Not every aggro deck works the same way, and what dominates in one meta might fall flat in another
Comparing Mentor of the Meek to Dawn of Hope shows that there's leagues between a one and a two mana tax
The card seems fine in an equipment or Blink deck that can take advantage of a strong Commander, but Magitek Scythe will similarly need a lot of support to make it worth running