Oddly enough, its the most popular Esper commander on EDHREC, which is why its so high on this list
With a mixture of card draw potential, defensive abilities and powers that accelerate your lore gain, emerald makes for an excellent ink to combine with any of Lorcanas other colours
Mogis, God of Slaughter and Sygg, River Cutthroat are the first that come to mind
Alone these single words made little or no sense but when combined in proper numerical order with other cards in the series spell out the following secret message: "Here are some cards that didn't make it to print: Socks of Garfield, Hot Monkey Love, Colonel's Secret Recipe, Squee's Play, Banned in France, Spoon, Disrobing Scepter, Butt Wolf, Lotus Roach, Sesame Efreet, Needless Reminder Text, Chicken Choker, Clockwork Doppelganger, Henway, HELP I'M TRAPPED IN CARTA MUNDI, Mad Cow, Poke, Lord of Wombats, Gratuitous Babe Art, Brothers' War Bonds, Dwarven Kickboxer, Mickey's Drunk, Pact with the Wastes, CoP:BO, Urza's Chia Pet, Thallid Shooter, Shoelace, When Chihuahuas Attack, Wall of Cookies, Kobold Ninja, Mucusaur, Kjeldoran Outhouse, Bear in the Woods, Dental Thrull, Flavatog, Cereal Killer." The flavor texts of the cards Double Dip, Double Play, Double Deal, Double Take, and Double Cross form the following limerick: In a duel and taking a lickin'
