In practice, it means an opposing Blasphemous Act will only deal five damage to your board, and a Chandras Ignition will deal double damage to everything that isnt yours (and incidentally, only half to your creatures)
But, as the song says, the times they are a-changin, and as much scarier things entered the chat Staff of Dominations EDH legality was restored
One of the oldest rules in Magic: The Gathering is that a deck can only include four of any given card, except for basic lands
It pumps creatures of the same type by +1/+1 and lessens the color restrictions on their mana costs
However, GoatBots has a detailed collection tracker that you can use to manage and watch your collection prices as they go up or down
Standard is a popular Magic: The Gathering format where players can only use cards from the most recent sets (typically the last two years but recently extended to three)