(compiled from Introduction) A Compendium of Magic & Spells for Heroes & Other Worlds The Magi Carta is a compilation of OGL spells and the original spells from Heroes & Other Worlds -- nearly 600 total -- detailed to work with the HOW adventure game. Spells are provided in a comprehensive listing by IQ requirement, and in an alphabetical spell index at the end. The book also includes new optional rules for learning spells, cartomancy, gems, staffs, spell books and familiars.