All Wizards did was clean it up and make it cheaper as they wanted to make sure it was good, which they did by changing it from blue to white-blue
Because a lot of the cards in Scions and Spellcraft have a mana value of three, many of them cost 2 colorless and 1 colored mana
8 Neriv, Heart of the Storm Neriv, Heart of the Storms signature ability, doubling the damage of any creature you play that same turn, creates explosive moments, especially in aggressive Mardu shells that chain together hasty threats or token bursts
There are a few cool legendary creatures, too
In Magic life is a resource, and in commander we have a lot of it, and Id gladly pay life and delve cards away to cast Profane Transfusion, Exsanguinate, and Villainous Wealth for super cheap