You can use all the core card and exclusively other good cards yet end up with a horrible list that struggles to win
As with all card styles, you must have the base card printing in your collection to apply them
A few years down the line, all colors will have all of these staple vanillas for most costs plus a few standard-cost draw cards and some others But for now, printing everything in one set would make the set very boring
Goblin decks make so many 1/1 tokens that become sacrifice fodder for Skirk Prospector or Goblin Bombardment, and with Zurgo, we can turn these 1/1s into cards or more damage
Like most Magic: The Gathering cards, the value of Rakdos, Lord of Riots depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (RNA Guild Kit)