Agent of the Iron Throne is a redundant effect for any number of aristocrats commanders, and one thats sure to see some play
All Hallow's Eve Armageddon Clock Brambleback Brute Burdened Stoneback By Gnome Means Chisei, Heart of Oceans Clockwork Avian Clockwork Beast Delay Divine Intervention Etched Slith Fain, the Broker Ferropede Flitterwing Nuisance Gavel of the Righteous Glen Elendra Guardian Hexavus Hovel Hurler Hungry Hungry Heifer Leatherhead, Swamp Stalker Loch Mare Medicine Runner Mister Hyde, Monster Within Moonlit Lamenter O'aka, Traveling Merchant Power Conduit Rasputin Dreamweaver Sanctuary Warden Scholar of New Horizons Slumbering Walker Soul Diviner Spinal Parasite The Duke, Rebel Sentry Thrull Parasite Xavier Sal, Infested Captain
You likely wont be able to play Jumba Jookiba until the game is halfway over, if not later, since it may take a while to save up enough ink
It's not as much of a jump as you get by Shifting a card, but it also doesn't rely on having specific cards in play and in your hand
Consequently, they deservedly occupy the number two spot on our list