Drakloak tends not to be run outside of decks featuring its fully evolved form, Dragapultespecially Dragapult ex
This deck has a lot of cheap items that youre supposed to banish, either by using the items ability or by playing cards Hiram Flaversham, Judy Hopps, and Launch to draw cards and banish opposing characters
Grading the card will cost money, so you should only do this when the card seems to be worth a lot
The primary difference, again, is language but there is an important additional variant the stamp
Two-mana rocks are heavily sought after among Commander players, as while modern-design is certainly improving three-mana rocks (Wand of the Worldsoul, Cursed Mirror, etc.), having access to ramp a full turn earlier is incredibly valuable for setting up an early game's foundation