If you're searching for something to stick to your budget, then HP copies sell below ten dollars, but if you want a Giratina to grade, you may be looking at an $80 purchase for an NM copy, based on sale though that depends on what you can find
The powers that be wanted to use the first letter whenever possible, so land got to keep "L." Black's third letter is "A." A is reserved for artifacts
Look, its not a terrible card, but lacking any evasive abilities makes it just a big body in the command zone
While this is a serious restriction on the mechanic (itd be much more powerful if you got a benefit every time you played a spell), this restriction allows cards to be more aggressively costed
There's no learning curve, no tutorials to sit through, and no design files to manage