This type of aggro deck is much different from a pure aggro deck, or a deck that is super aggressive and does its thing while ignoring what the opponent is doing, such as Atarka Red or Sligh
Descending is notably easier for Rakdos sacrifice than Rakdos midrange, thanks to the likes of Witchs Oven and Deadly Dispute
Teferi's Protection is the UNO
Commander Free Spell Enabler Yes, there are a couple of other generals with mana value of 0, and plenty of 1-mana commanders, but you need to spend mana on those to keep them on the battlefield for any length of time
Shalai, Voice of Plenty Explosive Angles Whilst the best way to guarantee consistency in a game of EDH is to pick a Commander with card advantage or ramp in the command zone, its sometimes not the most flavorful or fun choice
Since this triggers off colorless spells, dont feel restricted to Eldrazi