Trance ability allows her to mill two cards at the beginning of the combat phase in order to gain flying, which means she can't be attacked except by other creatures with flying
With just a few Lotus Petals, a Deathlace, and two of this goofy color hoser, you've just achieved infinite mana
I played Cryptolith Rite in Costa Rica, and while the deck felt pretty good, most of my losses came to G/W Tokens players after sideboarding
#39 Disrupting Scepter - Golden Age Get him under the Scepter lock
It's out of place in many decks, where its reasonable effect isn't worth the effort of casting it and then finding a way to destroy it
The Combos page for the commander typically shows three of the most common combos in the decks that make sense with the theme, but it might not show anything if no combo suits the theme