It's a playful jab at the game's complex cards
Graveyard Hate Relic of Progenitus and Surgical Extraction are both top 20 cards (overall) in Modern, with their main purpose being to hate on graveyard-based strategies
Unsuccessful in capturing Ai from Playmaker, the Knights of Hanoi was forced to use the Tower Of Hanoi plan to try to take him out one last time, knowing that this will release a surge that will annihilate the entire Internet and everything and anyone connected to it
There's no rider in this image, but maybe the Eldrazi has two heads
This website contains a link to the most up-to-date version of the Comprehensive Rules
Looking back now, 5 mana is an awful lot to ask of an enchantment that doesnt do anything when it enters the battlefield, but if allowed to sit on the battlefield after a board wipe or a couple turns of play from an Aristocrats strategy (decks that derive value from sacrificing creatures), Black Market can quickly generate game-winning amounts of black mana
