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Felothar the Steadfast is a new toughness matters commander who allows defenders to attack, and will compete for one of the top spots in that archetype with Arcades, the Strategist due to it also having an explosive card draw ability
Originally, two other Fiends were named, but Vassago, whose form was closest to Chakra, remained in the end
While it provides a temporary ATK boost and a card draw upon activation, there are potentially better alternatives like Mage Power or United We Stand for more consistent and powerful effects
When it is a benefit to your tribe that cannot easily be interacted with by the rest of the table and in the case of Edgar, does not cost you mana, it becomes something that leaves a reasonably sour taste in the mouths of the player base