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Canadian Threshold
Featured by David Caplan on 2009-12-27 (Extended)
As written about in http://www.starcitygames.com/magic/misc/18514_The_Long_Winding_Road_My_Favorite_Decks_2009.html

Maindeck:

Creatures
4 Nimble Mongoose (Not currently legal in Extended)
4 Tarmogoyf (Not currently legal in Extended)

Instants
4 Brainstorm (Not currently legal in Extended)
4 Daze (Not currently legal in Extended)
4 Force of Will (Not currently legal in Extended)
4 Lightning Bolt
1 Rushing River (Not currently legal in Extended)
4 Spell Snare (Not currently legal in Extended)
4 Stifle (Not currently legal in Extended)
1 Wipe Away (Not currently legal in Extended)

Sorceries
4 Ponder (Banned in Extended)

Lands
3 Flooded Strand (Not currently legal in Extended)
3 Polluted Delta (Not currently legal in Extended)
4 Tropical Island (Not currently legal in Extended)
4 Volcanic Island (Not currently legal in Extended)
4 Wasteland (Not currently legal in Extended)

Sideboard:
1 Engineered Explosives (Not currently legal in Extended)
4 Disrupt (Not currently legal in Extended)
1 Krosan Grip (Not currently legal in Extended)
2 Pyroblast (Not currently legal in Extended)
2 Red Elemental Blast (Not currently legal in Extended)
4 Submerge (Not currently legal in Extended)
1 Pyroclasm