Black Wizard
Pleb Hunter
'The Number of the Beast' was dropped in 2006.
AMOLAD tour, Bergen, 2006 - 15 songs (first time seeing Maiden live)
All of AMOLAD (10 songs)
TETMD
FOTD
Iron Maiden
2MtoM
Hallowed
Somewhere Back in Time, Trondheim, 2008 - 13 new songs:
Running Free
NOTB
RTTH
Revelations
Trooper
Aces High
Powerslave
ROTAM
Wasted Years
Heaven Can Wait
Moonchild
CIPWM
The Clairvoyant
Final Frontier part 1, Bergen, 2010 - 9 new songs:
Wrathchild
Wicker Man
Ghost of the Navigator
Brave New World
Blood Brothers
Dance of Death
Wildest Dreams
No More Lies
El Dorado
Final Frontier part 2, Oslo, 2011 - 4 new songs
Satelite 15 ... The Final Frontier
Coming Home
The Talisman
WTWWB
Maiden England leg 1, Stockholm 2013 - 4 new songs
The Prisoner
Afraid To Shoot Strangers
Phantom of the Opera
SSOASS
Maiden England leg 2, Nijmegen 2014 - 1 new song
Sanctuary
Book of Souls tour, Oslo 2016 - 7 new songs
Children of the Damned (!!!)
If Eternity Should Fail
Speed of Light
The Red and the Black
The Book of Souls
Death or Glory
Tears of a Clown
That means I've seen 53 different Maiden songs live. By album, from most to least:
AMOLAD - 10 songs
The Book of Souls - 6 songs
The Final Frontier - 5 songs
Number of the Beast - 5 songs
SSOASS - 5 songs
Powerslave - 4 songs
Brave New World - 4 songs
Iron Maiden - 4 songs
Dance of Death - 3 songs
Piece of Mind - 2 songs
Somewhere in Time - 2 songs (come on guys, seriously?)
Fear of the Dark - 2 songs
Killers - 1 song
The X Factor - 0 songs
Virtual XI - 0 songs
No Prayer for the Dying - 0 songs
Mind the spoilers, please.