Black Market Connections is the headliner, a premium engine that each turn trades life for Treasure, cards, or a 3/2 changeling Shapeshifter that counts as a Villain, and it slots perfectly into a deck built around paying small costs for big advantage
It was also mentioned by MaRo himself that WotC wanted to expand the mechanic into other colors
I will be writing more about Commander Legends next week
It somehow manages to blend Elixir of Immortality with Command Beacon, and I love it
Step three: win the game
Emet-Selch, UnsunderedEmet-Selch, Unsundered The front side of Emet-Selch, UnsunderedEmet-Selch, Unsundered is a nice collection of abilities, and the condition to transform Emet-Selch isn't all that difficult to accomplish given the amount of self-mill available in Dimir