Ok, so I got interested in the idea of trying to build an extended deck... now unlike legacy I have no idea where to look for what's good and what's not, so I built this first list (not quite extended legal yet). Eventually, I intend on bringing it into the second list. I love control...

Lands (22)
4x Seaside Citadel
4x Reflecting Pool
3x Treetop Village
1x Hallowed Fountain
1x Forest
3x Plains
4x Island
2x Bant Panarama

Creatures (12)
4x Qasali Pridemage
3x Rhox Warmonk
3x Lorescale Coatl
2x Rafiq of the Many

Card Draw (9)
4x Brainstorm
1x Ancestra Vision
2x Fact or Fiction
2x Ponder

Counters (4)
4x Rune Snag

Removal! (12)
4x Wrath of God
2x Bant Charm
4x Oblivion Ring
2x Path to Exile

Extras (2)
2x Behemoth Sledge


Eventually...
Land (20)
4x Misty Rainforest
1x Scalding Tarn
1x Marsh Flats
1x Arid Mesa
4x Hallowed Fountain
4x Breeding Pool
1x Temple Garden
2x Island
1x Forest
1x Plains

Creatures (12)
4x Tarmogoyf (or Rhox Warmonk more likely)
4x Qasali Pridemage
4x Lorescale Coatl

Counters (10)
4x Negate
4x Spell Snare
2x Cryptic Command

Card Draw (8)
4x Ponder
4x Ancestra Vision

Removal (10)
3x Wrath of God (or Engineered Explosives)
3x Path to Exile
2x Oblivion Ring
2x Bant Charm