Aggro can actually mulligan better than many other archetypes because you dont rely on specific combos
Under $10 Ashaya, Soul of the Wild If you hate Cyclonic Rift with a white-hot rage, might I suggest building a deck with Ashaya, Soul of the Wild as your commander
Merlin, Goat can gain you lore not just every time you play him, but also when he leaves the field
To get the most out of Goldspan Dragon, you can consider using Gadrak, the Crown-Scourge, Magda, Brazen Outlaw, and Brass's Bounty.
Flavorfully, Flubs is a commander who will often wander aimlessly, but players who are fans of taking a lot of game actions are sure to enjoy this Fool's uniquely adventurous folly
The Locust God capitalizes on your draws, and can often win without any warnings through hasty flying threats