Its fine to trim an Uro in matchups that force you to always hold open countermagic, like Ad Nauseam, and Hieroglyphic Illumination is a fine card to cut in matchups that arent grindy (though Id tend to try to cut other cards beforehand if possible)
If your primary rival is a fellow blue player, Llawan, Cephalid Empress should be your silver bullet of choice instead
Illustrated by Carlos Palma Cruchaga Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Not Legal Brawl Legal Legacy Not Legal Comp
Incapsula incident ID: 1292000700181674907-842166713721819534
When used, you can discard one card from your hand to search your deck for two Basic Energy cards and then put them into your hand
The partner pair is Trynn, Champion of Freedom and Silvar, Devourer of the Free