Of course, we all know it was really the library manipulation that made this deck so good, not the least of which was the Intuition / Accumulated Knowledge engine
My main issue is that its just such a generic, uninteresting value pile, and its typing is the only thing that meaningfully distinguishes it from other 5-color value piles like Jared Carthalion and Omnath, Locus of All that want you to play multicolored permanents
Helga, Skittish Seer is a mana dork that can produce mana equal to its power
These are strategies that revolve around playing a bunch of creatures with the same type alongside cards that give you bonuses for that creature type
Even at its worst, its going to wipe out a bunch of small creatures, and if you have other dragons joining the fray, you can really annihilate your opponents board
Let's say your starting hand contains Plains, Elegant Parlor, Mind Stone, and Currency Converter