Blue and white have always been associated with the control archetype in MtG. However, this highly valuable enchantment may well bring a few midrange lists in this color right on top of the standard ladder, too.
Obviously, classic blue-white control players will put at least two copies of this card in their lists due to its very useful Lifelink and draw mechanics.
But don't exclude the infamous mono-blue lists that dominated Magic at one point. They could easily splash white for the Staggering Insight and make the archetype do wonders once again.