Generally, you don't want to pay more than one mana for a burn spell, especially one that's a sorcery, making Chain Lightning the perfect mana cost
Playing Mishra's Factory in something like RDW might cost your good and average draws a small fraction of a % (total stab in the dark but we will call it 0.2%) in exchange for a slight improvement to your weaker draws
Cascade is formidable since it exiles cards from the top of your library until you exile a nonland card that costs less and lets you cast it for free
Theyll have their day in the sun before long
Amber Amber Ink is infused with the magic of healing and support
That being said, you might want to try some of these guidelines: If you enjoy controlling your opponents board and removing your opponents characters from play, the favourite cards are likely to be found in Ruby or Steel If you enjoy getting a lot of ink and resources, your best bet is Amethyst or Sapphire If you hate losing your characters or want to build your game plan around keeping specific characters in play, Amber or Sapphire will help you to do that
