The +2 loyalty ability is decent and very Elspeth-themed, but were here for the devotion ultimate loyalty ability if you can get to it
The ability to pair them together opens up many different strategies, letting decks adapt easily while combining card draw, pressure, and value in powerful ways
Pearl-Ear, Imperial Advisor Nadu, Winged Wisdom should have taken notes from Pearl-Ear, Imperial Advisor
Gemstone Caverns Gemstone Caverns is a legendary land that sees a lot of play in cEDH
Your clock is fairly slow but if you get going, disruptive against decks unable to apply pressure
Of the latter, we've seen Biophagus, Khyrson Starn, and The Red Terror all get lots of play in Commander