Looking to see why cards are banned
For format restrictions and banned lists, see the following:

http://magic.wizards.com/en/game-info/gameplay/rules-and-formats/formats

http://magic.wizards.com/en/gameinfo/gameplay/formats/bannedrestricted

None of the cards you listed are on a banned list, they just aren't legal in "Standard", which is a format that only includes cards printed in the last two years