Of course some basic lands have Non-English, single character names, and you might already play with some three-letter card names, Dub, Six, and Opt
You may cast a spell from among them without paying its mana cost
This allows players to jump right into the game without having to worry about the stress of deck building
Aside from being a human, which is a very relevant creature type in Commander, Modern and basically every other MTG format, Esper Sentinel is good because it reads: Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays X, where X is Esper Sentinels power. Its a bit like Rhystic Study, but the cost can be far higher if youve got things that make humans stronger or you can put +1/+1 counters onto Esper Sentinel
Nine players registered Five-Color Ramp
Since it's a permanent amping of your forces, Ajani can make a nasty army fairly quickly if unchecked