Each card also has a Move Cost - that's the cost in Ink you can pay to move a character to that location
You can give your opponents planeswalkers more loyalty, increase the number of +1/+1 counters on their creatures, or even just give them additional resource counters like oil counters
Black I think the highlights in black come as cards that look and feel as if they were always in the old border, even though we know that to be untrue
Call of Duty , for example, frequently does cross-promotion with brands like Papa Johns and Mountain Dew
Four mana for a 1/5 isnt amazing, but it does start placing counters immediately, and potentially drawing cards too
If you had a store where 10 people were playing Standard and you release a bunch of Commander product and 6 new people come and start playing Commander, its not surprising that some of the Standard players might make friends with the Commander players and want to play Commander with them, and that can shrink the Standard audience