Its at its worst when there are lots of fast race matchups, like combo decks, burn decks, and very linear aggressive decks that arent usually removing your permanents (Goblins and Merfolk)
They're heroes, somehow
The artwork on the cards is gorgeous, making them appealing to collectors, and the foil treatment is noticeable but not overpowering
The new hotness seems to be to run Yeva as a commander, pack tutors, and drop Ghalta, Stampede Tyrant at instant speed
There's some real possibility to this card, especially since it helps fix some of the issues Dredge can have, which is milling your mana resources
The Dreadnought has cast a shadow on casual tables ever since it was printed