half sunk a shattered visage lied - imagery creates a sense of irony
Nothing besides remains - Volta, abstract noun ( nothing )
whose frown and wrinkled lip and sneer of cold command - polysyndeton, guttural alliteration, pejoratives, caesura ( slows down the line
my name is ozymandias, king of kings ; look on my works, ye mighty and despair! - possessive pronoun , third person, declarative statement, imperative, hyperbole, repetition
of that colossal wreck, boundless and bare the lone and level sands stretch far away - oxymonoron, sibilants, alliteration