An Island is a land with the subtype Island, not any land that could produce blue mana
Interestingly enough, when you plot the info on a bar graph, you can usually trace a line that tells you how your deck will behave
It's very good draw and it's very annoying to keep track of
Arrogant Bloodlord Arvad the Cursed Bartolom del Presidio Blood-Cursed Knight Bloodcrazed Paladin Bloodsworn Knight Bloodsworn Steward Bloodthirsty Conqueror Bold Impaler Champion of Dusk Crimson Honor Guard Deathless Ancient Edgar Markov Elenda and Azor Elenda, Saint of Dusk Elenda, the Dusk Rose Exsanguinator Cavalry Famished Paladin Forerunner of the Legion Knight of the Ebon Legion Legion Lieutenant Markov Crusader Markov Dreadknight Mounted Dreadknight Oathsworn Vampire Olivia, Mobilized for War Order of Sacred Dusk Paladin of Atonement Paladin of the Bloodstained Queen's Bay Paladin Sanctum Seeker Vanguard of the Rose Vito's Inquisitor Vona, Butcher of Magan Voracious Vampire
Its the goldilocks zone youre aiming for, and once you can get that ratio just right, youll feel like your deck can accomplish anything
If youre like us, youre just excited when you get fun new cards to play with