Check out our previous article on card rarities for more details
As a reference, if you ever spring for citadel paints, their consistency is generally pretty good although I add water when Im doing fine linework (you want your paint to be much thinner for tiny jobs)
While the number written on the top right hand corner is the CMC as far as the game rules are concerned, for figuring out how many lands we need in a deck, what we are actually looking for is how much it will cost us to cast the card
You can use cards like Land Tax and Tithe to ensure you hit your land drops, and Knight of the White Orchid will put a Plains card from your library into play
Blasphemous Edict is creative in flavor, but its ability is not unfamiliar: destroy all creatures
Raven Eagle It's not the most inspired design, but Raven Eagle pushes enough tiny buttons to add up to something desireable