Esper Sentinel pips both Archivist of Oghma and Deep Gnome Terramancer to a spot on this list, and its because the latter two cards both require opponents making deckbuilding decisions we cant control
If you can use other things to defend her, though, she can really put in some solid work - especially alongside other Elspeth cards since the rules change surrounding planeswalkers
First of all, you can play an additional Land on each of your turns, but you do have to sacrifice a Land each turn unless you sacrifice Gitrog itself, but, you do get to draw a card whenever a Land enters the graveyard from anywhere
Morgul-Knife (Shadowspear) Exxaxl: Shadowspear was one of the cards I first noticed becoming expensive because of Commander
Pairing Cori-Steel Cutter with cheap spells lets your board scale explosively
The anti-glare surface not only prevents distraction but also keeps your deck looking sharp, reflecting the primal energy of Jund