The top cards here have been selected from Bloomburrows Special Guests, as well as the sets Commander pre-cons, Starter Kit, and the redesigned characters of the Imagine: Courageous Critters line
That is incredible scarcity, which is part of the reason why this relatively young 15-year old card commands such a high price
There were multiple times I would use Liliana to return a Den Protector to my hand and my opponent would attack and kill Liliana
Defiler of Vigor is still one of the better ones though, quickly making a board get out of hand
Green was slightly more common at 30.76%, and Blue was the most common at a 61.53% chance
Four mana is a lot for black targeted creature removal, however, especially when Commander players have access to dirt cheap alternatives -- even free ones like Snuff Out