There are only so many regionals players want to lose to the same three decks
So, a 1/13 will be an improvement over a 12/12, and so on
Siege Rhino You will probably remember Standard around 2014 to 2015 by getting drained out by the same 4-mana creature over and over
It's not every day when a Magic card hoses not a particular color or creature type, but an entire set at once
However, you have to have a 5-cost or more Character on the field to bypass Buggys second effect so it doesnt remove itself afterward from the field
While the dream scenario is to bounce your opponent's best spell along with their best permanent, there's almost no situation where Venser, Shaper Savant is bad, since in the worst case, you can always just run it out on your opponent's end step and bounce two of their lands to set back their development