I can name two, and its only because I was looking up where Knowledge Exploitation is played (Thada Adel, Acquisitor is just mean)
Ive seen people try to make Risk Factor work in EDH a few times before, and in reality it almost never draws you any cards because 4 life can be too insignificant
It only triggers once each turn, but its much easier to get going, as triggers, equipment, and so on all work with it
Seeing a seemingly lifeless construct artistically perform its function is intriguing, for a typical scarecrow stands menacingly meanwhile the one in Painter's Servant actively and creatively deters birds, making it one of the most imaginative cards in Magic: The Gathering
There was a brief period of time when this color trio was nicknamed Necra (Necravolver), and after that it was affectionately called Junk (as in: Jund, but replacing red with white makes it bad)
Pick-Two Draft was born