Its a cool idea to use it here, because as Aaron said, it can special summon The Fiend Megacyber, normal summon another monster, and then use the Megacyber to tribute for Devastation without losing momentum
The additional mechanic where Shelob turns the creatures you kill each turn with your Spiders into Food is a nice touch but not really necessary to make the entire deck work, but the Food you generate in the long run can also help you survive board wipes and rebuilds
Late Game Finish with Magica Once high-cost items are abundantly lined up on the board and you have enough ink, it's the signal for the finish
Instead, after a brief seasonal pause, the market is climbing again
Specifically wanting Deserts in the graveyard, it at least has a bit of a new spin on it, and the first ability can help with commander tax, which is also useful
What kind of Background Enchantments are there in MTG Commader Legends: Battle for Baldurs Gate