Three mana is cheap enough that you can use it a bit like card quality and continue to hit those vital land drops
Bloomburrow has a healthy mix of powerful, archetype-opening commanders and legends that will supplement existing strategies
At common, any artifact or artifact-synergy piece gains extra mileage in white-blue
Whether you're playing it in Control, Bant Field of the Dead, Esper Planeswalkers, or whatever other deck you're running, or your building your deck against it, be ready for Supreme Verdict with other countermeasures like Selfless Spirit or be ready to build a threat base that mixes in other threats like planeswalkers or vehicles to help insulate yourself
(A copy of a permanent spell becomes a token.) Illustrated by Bartek Fedyczak Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
But maybe I am underestimating the implications of taking away every ability that creatures might have