I truly enjoyed going through the best of the Rakdos commanders and talking about them, and I hope you found it as informative and entertaining as I did
Part of the beauty of cycling, like evoke, is the simplicity of the mechanism which would make it an excellent candidate to have as a more fundamental magic mechanism like flying that appears in every Magic set.
Is this a slick mechanic, or does it ask you to put in some elbow grease
Generally, though it could vary slightly depending on the expansion, the Set Booster would contain twelve cards, comprised of 1 to 5 cards at Rare or higher, then a selection of Commons, Uncommons and a bonus 2 non-playable cards too
Id put this at #1 in an eldritch heartbeat, but the banlist dictates I leave it off the actual list
Instead, you create this ultra-powerful Phyrexian creature card with the Meld mechanic