Here the Dk Glyphs I would recommend to help with your Dk Rotation for 5.0.4. The Blood glyphs are meant for a tanking spec, and the Unholy/Frost ones are meant for Pve raiding situations. Most of the minors aren’t that big of a deal, but the major ones are usually a must have.
Blood Death Knight Glyphs 5.0.4
Prime: Death Coil, Rune Strike, Heart Strike
Major: Rune Tap, Vampiric Blood, Anti-Magic Shell
Minor: Blood Tap, the rest up to you
Unholy Death Knight Glyphs 5.0.4
Prime: Death Coil, Scourge Strike, Raise Dead
Major: Anti-Magic Shell, Blood Boil, Pestilence.
Minor: Blood Tap, Death’s Embrace, Path of Frost
Frost Death Knight Glyphs 5.0.4
Prime: Howling Blast, Frost Strike, Obliterate
Major: Dark Succor, Anti-Magic Shell, Hungering Cold
Minor: Horn of Winter, Blood Tap, Path of Frost