Based on the clue 'a myth has it that the best ones are made from lea...', what is the answer?

Based on the clue 'a myocardial infarction better known as this is a ...', what is the answer? Based on the clue 'a mysterious gray lady is said to frequent the chi...', what is the answer? Based on the clue 'a mysterious material with the formula mosub5subos...', what is the answer? Based on the clue 'a mystery by donna andrews well always have these ...', what is the answer? Based on the clue 'a mythological being who is partly divine partly ...', what is the answer? Based on the clue 'a mythological creature what goes on four legs at ...', what is the answer? Based on the clue 'a mythological hunter turned into a stag by artemi...', what is the answer? Based on the clue 'a mythological serpent that hatches from an egg', what is the answer?