i have played in last local turnament (with great result..2nd of 20) an ub planeswalker stax..

this is my list ^^

25 lands

Wasteland 4
Ancient Tomb 4
Underground Sea 2
City of Traitors 3
Polluted Delta 1
Urborg, Tomb of Yawgmoth 1
The Tabernacle at Pendrell Vale 2
Maze of Ith 3
Island 2
Academy Ruins 1
Scalding Tarn 1
Misty Rainforest 1

26 artifacts

Trinisphere 4
Mox Diamond 4
Chalice of the Void 4
Smokestack 3
Tangle Wire 3
Crucible of Worlds 3
Engineered Explosives 2
Ensnaring Bridge 2
Mox Opal 1

3 enchantaments

The Abyss 2
Sylvan Library 1

6 planeswalker

Tezzeret, Agent of Bolas 3
Jace, the Mind Sculptor 3

side

Leyline of the Void4 ---> grave hate + side combo... super XD
Cursed Totem1
Uba Mask 2 ---> great vs miracles and combo with mana denail
Ensnaring Bridge 1 ---> vs show and tell end very aggro deck
Boil 2 ---> vs solid mana base deck (marefolk, high tide ecc..)
Engineered Plague 3
Helm of Obedience 2

any comments is welcome..^^