In ten Standard rounds, youre bound to get a couple of pairings against slower midrange or battlefield-focused decks that simply dont have a good plan against you
Both versions are about the same price, as is common on these Commander set printings that only have regular and EA versions, so buy whichever you like
This will have a slant towards Commander/EDH, as that is my usual focus
An important thing to note is that Limited archetypes are just recommendations for the kind of deck to build with those colors, but not necessarily a requirement
Be Prepared for example, banishes all characters, including your own, while Grab Your Sword deals two damage to all of your opponents characters
The one-damage pings can add up quickly, and like Dancer's ChakramsDancer's Chakrams, this can survive normal creature wipes and go back online pretty quickly