The only thing preventing this from being a contender for the worst creature in the game is the fact that it is a common, so your $5 wouldnt be entirely wasted if you happened to find one inside a booster back in 05
Its Eminence here is likely the least offensive
In terms of Modern, Burn has funnily enough been a deck that I have never played at a major tournament before, yet it is the deck that I have played the most of after Dredge, as it was my second-choice deck for three major tournaments (Pro Tour Oath of the Gatewatch, Pro Tour Rivals of Ixalan and Grand Prix Brisbane)
Put these two things together, and the most obvious answers are Uro, Titan of Natures Wrath and Kroxa, Titan of Deaths Hunger from Theros Beyond Death
Upgradability The majority of preconstructed decks can be easily upgraded, as theyre usually built with a main theme and one or two subthemes