Spot Removal In addition to casting spells on time (or early enough in the game to still be relevant), decks need removal to help deal with the threats opposing decks present, as well as to protect their own threats from opposing removal
Most notably, it improves the usefulness of your demons
Avoid fights whenever possible, as your characters arent great at challenging, unless you use the Challenger and strength effects
To me, that included casting spells, activating abilities, monitoring cooldowns, and completing adventures
Genesis Wave jumped from $3 to $7 thanks to a couple of interesting Modern decks
Write gently so as not to disrupt your beautiful paint job of course, but go get yourself a gel pen and marvel in the wonder that is your new and improved signature