Combo Elves
Featured by Dave Meeson on 2010-06-27 (Extended)
As written about in http://www.starcitygames.com/magic/extended/19595_Tribal_Thriftiness_116_Double_Standard.html

Maindeck:

Creatures
4 Elvish Archdruid
4 Elvish Visionary
4 Heritage Druid (Not currently legal in Extended)
4 Joraga Treespeaker
4 Llanowar Elves
1 Mirror Entity (Not currently legal in Extended)
4 Nettle Sentinel (Not currently legal in Extended)
4 Ranger of Eos (Not currently legal in Extended)
4 Regal Force (Not currently legal in Extended)

Legendary Creatures
4 Emrakul, the Aeons Torn

Sorceries
4 Primal Command (Not currently legal in Extended)

Basic Lands
8 Forest
1 Plains

Lands
4 Mosswort Bridge (Not currently legal in Extended)
3 Sunpetal Grove
3 Wooded Bastion (Not currently legal in Extended)