Note that you cant play lands that you exile off the top of your library, since the ability says cast, and lands are played, but you can still cast cards of any color
Far from being a household name IP, this is a niche, hardcore simulation game thats been quietly brewing since 2002
And while this attempt failed miserably and Hogaak continued to dominate the format, there's never been a mass movement to unban Bridge from Below because everyone knows that the card is so broken that if it were unbanned, it would only be a matter of time before another deck came along to abuse its power
For brushes you can use anything that would like, the type of brush is up to your taste, as there is no specification on it
Destroy target land with an activated ability that isnt a mana ability