Also, there are lots of X spells that create creatures at instant speed, like Call the Coppercoats, Decree of Justice, White Sun's Zenith, so you could set up an easy win in EDH by casting a big spell, attacking the next turn, and untapping to win
You could easily find yourself in a matchup where its actually good, have it in your opener (and its not a great topdeck), draw three or four extra cards over the course of the game, and eventually lose to The Scarab God
Its a great blink target, and later in the game, you can transform it into Kefka, Ruler of Ruin, a strong flier that can draw you so many cards just by attacking and dealing damage
That's not to say upgrades can't be made, but they would have to be perfect so as not to detract from the overall synergy
Its important to have two lands in play before you go off
The owner of Sellbot1 may also be running Sellbot2, which sells different kinds of cards, and stored credits will also work on it