Thats the basic idea, but of course, there are a few notes to keep in mind: You may only cast a spell whose total mana value is less than or equal to the discover number
Anya, Merciless Angel With Anya, Merciless Angel, you need to aggressively get an opponent to 20 life or less
Like some sort of fuzzy Pied Piper, Bello can help you quickly amass a board state out of nowhere, swing through for tonnes of damage, and draw more cards than your paws can hold
For most formats, there's not much public information available on the individuals who make these decisions, but we do know that MTG's Play Design team has some say in what cards are banned
Boros is best known for being extremely aggressive since red and white are, among other things, known for cheap creatures