Your:
Chief engineer
firedrinker saytr
Elvish piper

I've got a (played) Mirrodin Seething Song, as well as 3x 9th edition Seething Songs which are obviously white bordered, but in better condition. I also have a Nykthos, and a Prophet of Kruphix. Could you check my list and see if we can work something out?

3x Black Sun's Zenith - Mirrodin Besieged - NM
1x Dryad Militant NM
1x Eldrazi Conscription - Rise of Eldrazi - MP
2x Eldrazi Conscription - Rise of Eldrazi - NM
1x Kird Ape Arabian Nights NM-
2x Mirran Crusader - Mirrodin Besieged - NM
1x Sculpting Steel - Mirrodin - NM
3x Seething Song - Mirrodin - NM
2x Sever the Bloodline - Innistrad - NM
1x Wolfir Silverheart - Avacyn Restored - NM

I need these

Badlands
Puppeteer Clique
Sneak Attack
Volcanic Island

I realize I'm probably not going to be getting duals with the stuff offered, but can you check my list.. I have a ton. thanks.

__________________
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Seething Song x3 (SP)
Drana, Kalastria Bloodchief
Sunblast Angel
Spitemare

for:
Underground River (IA)
Adarkar Wastes (IA)
Desolate Lighthouse
Mental Misstep
Icy Manipulator (IA)
Hymn to Tourach (FE) x2