Beth, Queen of Cardboard here with the Upgrade Guide for the Lost Caverns of Ixalan preconstructed deck, Explorers of the Deep

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'

As you may imagine, this made the last three cards quite a bit rarer
Most of these have combat triggers that will draw you a card and many of them have some level of evasion where possible
Wouldnt consider it at four, let alone five