No, acorn cards arent legal in Commander or any other Constructed format

Sort Card Type Pheromosa #11Holo Rare $8.98 Pheromosa #SV5Shiny Holo Rare $10.83 Pheromosa - 009/094 #9Rare $1.00 Pheromosa - 009/150 #9None $3.61 Pheromosa - 165/150 #165Shiny Rare $9.58 Pheromosa - SM115 (Prerelease) #SM115Promo $8.89 Pheromosa - SM115 (Prerelease) [Staff] #SM115Promo $32.99 Pheromosa & Buzzwole GX #1Ultra Rare $14.02 Pheromosa & Buzzwole GX #1Double Rare $4.40 Pheromosa & Buzzwole GX - 001/054 #1Double Rare $3.54 Pheromosa & Buzzwole GX - 055/054 #55Super Rare $14.57 Pheromosa & Buzzwole GX - 056/054 #56Super Rare $32.74 Pheromosa & Buzzwole GX - 063/054 #63Hyper Rare $25.67 Pheromosa & Buzzwole GX (191) (Full Art) #191Ultra Rare $22.02 Pheromosa & Buzzwole GX (192) (Alternate Full Art) #192Ultra Rare $89.16 Pheromosa & Buzzwole GX (Secret) #215Secret Rare $39.96 Pheromosa GX - 012/114 #12Double Rare $5.85 Pheromosa GX - 115/114 #115Super Rare Pheromosa GX - 121/114 #121Hyper Rare $18.00 Pheromosa GX - SM66 #SM66Promo $4.85 Pheromosa GX - SM66 #SM66Promo $13.46 Pheromosa GX (Full Art) #140Ultra Rare $20.55 Pheromosa GX (Secret Rare) #158Secret Rare $19.02 Pheromosa & Buzzwole GX (192) (Alternate Full Art) #192Ultra Rare $89.16 Pheromosa & Buzzwole GX (Secret) #215Secret Rare $39.96 Pheromosa - SM115 (Prerelease) [Staff] #SM115Promo $32.99 Pheromosa & Buzzwole GX - 056/054 #56Super Rare $32.74 Pheromosa & Buzzwole GX - 063/054 #63Hyper Rare $25.67 Pheromosa & Buzzwole GX (191) (Full Art) #191Ultra Rare $22.02 Pheromosa GX (Full Art) #140Ultra Rare $20.55 Pheromosa GX (Secret Rare) #158Secret Rare $19.02 Pheromosa GX - 121/114 #121Hyper Rare $18.00 Pheromosa & Buzzwole GX - 055/054 #55Super Rare $14.57

Hear clear vocals in live sports, thunderous bass in live music, and dynamic sound in action scenes
This allows Compy Swarm to continue growing, as long as you have a good sacrifice outlet
It can even be optimal to play it on turn three at times, when you have an opening hand based around Patchwork Automaton, and really want to spend early turns casting artifacts to grow it, but this typically only goes for very grindy matchups where its important that you make constructs
My Body as a Shield protects them, and our titular spellcaster, from battle traps and other remoaval