mtg lci commander decks Mox & Lotus SG with new legendary commanders tied to Lorwyn or Shadowmoor. Lost Caverns of Ixalan Precons:

Of course, its also yet another card that goes infinite with Dualcaster Mage as well Bloodthirsty Conqueror At long last, we have a second Exquisite Blood effect

That's 16 more than Toph, Hardheaded TeacherToph, Hardheaded Teacher or the more mundane Uncle IrohUncle Iroh has in Gruul, 15 more than Sokka, Bold BoomerangerSokka, Bold Boomeranger in Izzet, and 13 more than Guru PathikGuru Pathik and The Lion-TurtleThe Lion-Turtle have in Simic, to say nothing of the multiple single-color Lesson commanders that have access to a fraction of that (return readers will note that I didn't even mention Lessons when I wrote about Gran-GranGran-Gran last week)

The most impactful that Id personally pick would be: Deflecting Swat, which is always good when you need to protect a Commander that attacks for value and damage

Keyword abilities are abilities that provide shorthand for properties objects have, and are usually just a single word or phrase