I think Petrucci is the clear winner! Also here is a list ordered by author, in case you guys forgot anything.
.... Also can html be embedded in this forum? The code button just allows you the ability to copy and paste code. It would be useful for making this list into a table.
Title Lyricist
"Afterlife" Charlie Dominici
"Take the Time" Dream Theater
"Anna Lee" James LaBrie
"Blind Faith" James LaBrie
"Disappear" James LaBrie
"Far From Heaven" James LaBrie
"Prophets of War" James LaBrie
"Sacrificed Sons" James LaBrie
"Scene Seven: II. One Last Time" James LaBrie
"Speak to Me" James LaBrie
"The Way It Used to Be" James LaBrie
"Vacant" James LaBrie
"Octavarium" James LaBrie,John Petrucci, and Mike Portnoy
"Caught in a Web" James LaBrieand John Petrucci
"Learning to Live" John Myung
"Lifting Shadows Off a Dream" John Myung
"March of the Tyrant" John Myung
"Scene Three: II. Fatal Tragedy" John Myung
"Trial of Tears" John Myung
"Breaking All Illusions" John Myungand John Petrucci
"Another Won" John Petrucci
"Two Far" John Petrucci
"Vital Star" John Petrucci
"Your Majesty" John Petrucci
"A Fortune in Lies" John Petrucci
"Status Seeker" John Petrucci
"The Killing Hand" John Petrucci
"The Ones Who Help to Set the Sun" John Petrucci
"Another Day" John Petrucci
"Metropolis Pt. 1: The Miracle and the Sleeper" John Petrucci
"To Live Forever" John Petrucci
"Under a Glass Moon" John Petrucci
"A Mind Beside Itself: II. Voices" John Petrucci
"A Mind Beside Itself: III. The Silent Man" John Petrucci
"Innocence Faded" John Petrucci
"Scarred" John Petrucci
"Cover My Eyes" John Petrucci
"Hollow Years" John Petrucci
"Lines in the Sand" John Petrucci
"Peruvian Skies" John Petrucci
"Take Away My Pain" John Petrucci
"Where Are You Now" John Petrucci
"Scene Eight: The Spirit Carries On" John Petrucci
"Scene Five:Through Her Eyes" John Petrucci
"Scene Four: Beyond This Life" John Petrucci
"Scene One: Regression" John Petrucci
"Scene Three: I. Through My Words John Petrucci
"Misunderstood" John Petrucci
"The Great Debate" John Petrucci
"As I Am" John Petrucci
"Endless Sacrifice" John Petrucci
"In the Name of God" John Petrucci
"I Walk Beside You" John Petrucci
"Panic Attack" John Petrucci
"The Answer Lies Within" John Petrucci
"These Walls" John Petrucci
"Forsaken" John Petrucci
"In the Presence of Enemies" John Petrucci
"The Dark Eternal Night" John Petrucci
"The Ministry of Lost Souls" John Petrucci
"A Nightmare to Remember" John Petrucci
"A Rite of Passage" John Petrucci
"The Count of Tuscany" John Petrucci
"Wither" John Petrucci
"Beneath The Surface" John Petrucci
"Bridges In The Sky" John Petrucci
"Build Me Up, Break Me Down" John Petrucci
"Lost Not Forgotten" John Petrucci
"On The Backs of Angels" John Petrucci
"Outcry" John Petrucci
"This Is The Life" John Petrucci
"You Not Me" John Petrucciand Desmond Child
"Six Degrees of Inner Turbulence" John Petrucciand Mike Portnoy
"6:00" Kevin Moore
"A Vision" Kevin Moore
"Don't Look Past Me" Kevin Moore
"Lie" Kevin Moore
"Light Fuse and Get Away" Kevin Moore
"Only a Matter of Time" Kevin Moore
"Pull Me Under" Kevin Moore
"Space-Dye Vest" Kevin Moore
"Surrounded" Kevin Moore
"Wait for Sleep" Kevin Moore
"A Change of Seasons" Mike Portnoy
"Burning My Soul" Mike Portnoy
"Constant Motion" Mike Portnoy
"Honor Thy Father" Mike Portnoy
"Just Let Me Breathe" Mike Portnoy
"Never Enough" Mike Portnoy
"New Millennium" Mike Portnoy
"Raise the Knife" Mike Portnoy
"Repentance" Mike Portnoy
"Scene Nine: Finally Free Mike Portnoy
"Scene Six: Home" Mike Portnoy
"Scene Two: II.Strange Deja Vu" Mike Portnoy
"The Best of Times" Mike Portnoy
"The Glass Prison" Mike Portnoy
"The Mirror" Mike Portnoy
"The Root of All Evil" Mike Portnoy
"The Shattered Fortress" Mike Portnoy
"This Dying Soul" Mike Portnoy