It doesnt get much cheaper than zero mana, and if youre playing any deck without an abundance of great removal, then it makes perfect sense to sideboard in a pair of Gut Shots in order to Time Walk your opponents Noble Hierarch, Champion of the Parish, Vault Skirge, Signal Pest, Steel Overseer, or other annoying X/1 creature
Little John, Resourceful Outlaw Whilst Robin Hood, Champion of Sherwood rewards you for aggressive challenger focused strategies, steel also has some of the best defensive tools on the market with access to both Bodyguards and the powerful Resist gameplay mechanics
The threat level is in a great spot which allows you to sneak in under the radar a bit, then after a player or two has been eliminated, you've accumulated a little hive of fliers and that you're suddenly ahead when it comes to taking down the table
Credit: Wizards of the Coast Rosheen, Roaring Prophet TheChirurgeon: It's cool to see Rosheen in a state that isn't "mourning the world that was," though if this is the Llorwyn version shouldn't she be red-white
You are also allowed to designate another person to act in your place for that action