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Of the five "base" color combinations combining adjacent colors, this is, by far, my favorite combination for drafting a generic unknown environment such as a random Cube, as well as Abedraft, a draft with every card ever printed
You can expand your board in one move with "OP06-086 Gecko Moria", or go for the win with the overwhelming attack of "OP06-118 Roronoa Zoro"
There are a lot of fun spells that you can run with Edgin as your commander, cards like Wild-Magic Sorcerer which give the first spell you cast from exile cascade, cycling through your library until you find a spell that costs less than the initial spell.
To maximize the lockdown on your opponents options, Xerosics Machinations can trim their hand down to size and leave them with just three cards
All energy counters are interchangeable, so ones given to you by one card can be spent on another