Being in Esper colors you can easily protect Marneus from removal and take down your opponents creatures too
Its essentially a three-power creature for two mana that doesnt die to Shock, all of which are pretty good stats
Theres a couple of commanders noted here, namely Prosper, Tome-Bound, or Kalain, Reclusive Painter
While the format allows for a wide variety of lands to be included in your deck, there are several staple lands that I often turn to in my Commander decks due to their versatility and utility
This involves printing a out the reference image to scale, applying graphite to the back of the print, laying the print over the card, and then, tracing the art on the print
I do like Krovikan Vampire quite a bit, though