Luckily the markets of East London were the perfect place for them
As such, it lands right in the middle of the power metric at 3 points, as well as in the middle of most black sideboards
Suppose we declare an attack with D/D/D Wave Oblivion King Caesar Ragnarok, and activate its effect targeting another D/D or Dark Contract card, while the opponent has Shaddoll Dragon and Performage Damage Juggler on the field
Paying 6 mana is a lot, and your opponent has a window to kill it in response to the ability, leaving you with nothing
Hell, give me that fringe Mythic that costs $20 more in foil for no good reason
That player will be able to block incoming creatures that would damage it, while other players will be free to attack it