The only things missing are the multiplayer, the expanded party limit (though the developers are trying to figure out a way to add party slots without causing glitches), and the Onion Knight job
It makes it so most creatures can win combat against most other creatures, and the stats boost is even good against some removal This doesnt seem very good to me
Since most people are pulling their Ravenous Chupacabra for Murder and Eternal Witness for Regrowth, that means this is more likely to get triggered, and it does so each turn, so if Foe A casts a non-creature spell on their turn, they take two, and then on Foe Bs turn if they cast Sun Titan and Foe A casts Counterspell, they take another 2 damage
Scene importance aside, Rhystic Study remains one of the most polarizing cards you can play in Commander its powerful but often dictates the game by asking the same question each time an opposing player casts a spell