between a multicolor 4 cc "do nothing/dies to doom blade" and one of the famous tribes out there...
not a competition IMHO, go goblins!

if you like the idea of mono U control you can play mono U tron https://www.mtggoldfish.com/archetype/modern-mono-blue-tron-46461#paper other options are: UR bloodmoon: like you U control +removal and lock https://www.mtggoldfish.com/archetype/modern-blue-moon-87025#paper UR Phoenix: more tempo/comb...