mtg horror commander precon Magic: The Gathering Duskmourn: House of Deck Bundle specifically the Jump Scare mind flayer mtg card Here

Curry favor by rushing down the combo or control player, then use the threat of burn spells to encourage other players to do your bidding

If you only make one change, make it this

This is incredibly important since despite his strength, he only has three defense

So he gets a fair amount of protection from that

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

Both also mentioned an an additional Qualifier Side Event on the second day