Mastercraft Anthology: Collected Lore of Legends & Lairs is a sampler of the Legends & Lairs line of d20 supplements, offered at a relatively low price by the publisher as a teaser or advertising tool. Includes races from Mythic Races, new rules for combat, prestige classes, organizations, feats, spells, rules for familiars, casting rituals, how to designing small gods, how to make orcs fiercer, and traps (from the two Traps & Treachery sourcebooks).