Commissar Severina Raine One challenge aggro decks face in Commander is the need to take out multiple players at once
Anafenza, the Foremost handles those while fueling +1/+1 counter strategies, although this Abzan soldier can be slow since it does nothing about creatures binned before it comes into play
However you rate your Lilianas, the Last Hope is one of the premium walkers in cube and certainly one of the most played
Both Fracture Foils and Textured Foils appear to show up in around 1% of boosters
Not only does this synergize well with mana rocks and other artifacts with activated abilities, but it simultaneously functions as damage-based removal, a means of closing out a game, and a means of digging through your deck for key cards
Cards like K'rrik, Son of Yawgmoth and G'raha Tia, Scion Reborn offer powerful abilities that cost life to activate