This commander is built around casting big powerful creatures instead of simply winning with yet another Thassas Oracle combo, injecting some fresh cards into competitive Commander play
Blue Sun's Zenith - Probably the second best draw spell in this deck next to Scroll Rack
Emerald And Ruby Deck Emerald cards allow for flexibility in play, with a range of defensive and offensive characters, as well as items and actions that give players a lot of choices on their turn
On top of that, during each of your upkeeps, it distributes +1/+1 counters among your dragons by color, and if you manage to hit all five colors, you just win the game
Kaheera gives every other Cat under your control a +1/+1 and Vigilance
The real nastiness comes when you have some way to cheat the cost of the spell, and get it out early