For that reason, youll likely want to build this as a Mardu Midrange deck
Add to that the fact that you have to make it to your next upkeep once you've fulfilled the condition, and it's pretty clear this card is bait
It can be a big deal even in blue decks, spreading out the cost of your effects between your colours (assuming you are fairly even split already) typically makes your life a lot easier
From that point on, they cant cast spells or activate abilities, and they have to reveal their hands
There are more commanders that work in this space these days, but the Bant colors serve the walls archetype well
There is a good reason why Izzet is so popular in Standard play and why this Prismari deck takes those same principles and stretches them into a 100-card singleton deck that's a ton of fun to play with but frustrating as hell to play against.