That's not difficult, but it's not effective with the usual 1/1 fodder you'd have lying around
Suddenly, you have one lord and a bunch of middling creatureswhich isn't going to be as effective as you might have hoped
This means a Shifted card is more economical to place on the field, and a Shifted character can also challenge on the same turn it is played provided the Ink is dry on the bottom card
While the fully upgraded list probably isn't ultra-competitive, it should be pretty decent, based mostly on the power of Kadena, Slinking Sorcerer as a commander and a play style that lets you take advantage of powerful (and cheap) instants like Counterspell by leaving up mana each turn
Operating in Esper colors, he provides a stable foundation for a creature-heavy artifact shell
Making a plant army with Nissa, Voice of Zendikar and then pumping them every turn with Arlinn seems like a shell Id be excited to build around