mtg 2020 commander deck Magic: The Gathering Enhanced Evolution Ikoria | 100 Card Deck card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt WotC Unveils All Five Commander

While their proxy boosters are very novel (as far as I know they and PrintingProxies are the only ones that do this), I would say they are best known for their ability to print and ship out any large list of cards you want, on demand

The cEDH approach uses Rograkh as an easily-accessible piece of sac fodder for partner Tevesh Szat, Doom of Fools or a ritual like Culling the Weak

Im not really vibing with it

Being able to pay 2 mana to make and sacrifice a creature with no other costs can become very powerful with cards like Grave Pact and the new Martyr's Bond, which unfortunately comes with the Political Puppets deck, not this one

If a tapped permanent you control has more than one of the subtypes listed in Edward's first ability, count it only once when determining how many Treasure tokens to create

A complete listing of streamers previewing Core 2020 can be found here