The Swarmlord is definitely a shiny new toy for that style of deck
Blue provides the best tools for both and is a staple color for many of the most successful decks in the format
For now, it reigns as the most valuable card ever found in any of Disney Lorcanas booster pack products, besting the prices of Iconic Mickey Mouse and Minnie Mouse from Fabled
Besides which, there are other counters that function better for many decks, and on a case by case basis, you can decide if its right for you
Whether its a small-scale scuffle between individuals on Zendikar, or a full planar invasion by the Phyrexians on New Capenna, conflict is at the heart of the game
This deck has consistency, redundancy, and raw power to put it at or near the top of any hard-nosed drafters tier list