We would recommend unlocking each deck just to get a feel for them and add them all to your collection, but if you want to jump straight into battles with real opponents, focus on the Black & White: Basic Blue, Red and Green decks as they give you a bunch of handy trainer cards for building your own deck
The ability "may only be blocked by black or artifact creatures" was recast as the keyword Fear in 8th Edition which was replaced by Intimidate with the release of Zendikar
This card serves as your "commander" with unique abilities that make plays even more powerful INCLUDES ACCESSORIES AND DECK BOX: Also comes with 10 two-sided tokens, a deck box for storage, and punchout counters to keep track of creature buffs For Fun I think Grave Danger is the most fun of these precons as-is
Either way, the cards price responded accordingly
In the dialogue that pops up, enter the screen name of the friend you want to add and click OK to send a Friend Request
Deck B is a mono-green deck