I can take this:
1x Mana Drain (Eng - signed) - 110/ea
4x Swamp (Beta) – 3/ea
4x Island (Beta) 3 signed by Poole – 3/ea
4x Red Elemental Blast (Beta, EX-Ex+) – 42/set
4x Leyline of the Void - 1/ea

And offer this:
3x Underground Sea (SP) RV - 150/ea => 130
1x Flooded Strand - 55 => 46
2x Mountain (Unglued) – 3/ea => 2
1x Swamp (Unglued) – 3/ea => 2
1x Oblivion Stone - 7 => 6
4x Path to Exile - 15/set => 14
1x Elspeth, Knight-Errant (Foil, Duel Decks) - 13 => 10
4x Dark Ritual (Beta, Ex-Ex+) – 15/ea => 40 for set
1x Mystical Tutor (Mir) - 4 => 3
3x Thoughtseize 18/ea => 10

lmk if you are interested