What the deck unfortunately lacks outside of its fun playstyle is a decent late game and win conditions, as while you can build energy consistently, there aren't many places to spend it aside from continuing to ramp up your existing board in the late game
Old One Eye Something something big dumb creatures oh wait, Old One Eye is a big dumb creature and creates another big dumb creature when it enters, can buy itself back later in the game, and gives all of your creatures trample
That goes triple for Dragon Sniper, which blocks almost anything and even gets to attack with vigilance
But hey, its legal card to play, so maybe
EDHREC will show you the five dual lands as being in the top five spots for Commander Legends because of percentage inclusions, but in terms of raw numbers both Hullbreacher and Agent outstrip them by a mile (around a thousand decks to be a little more precise)
You spent four Black mana and drew 7 cards for 7 life