The following cards have foil versions as part of the Clan War Saga.
For a more in depth list, check http://www.planet.net.au/~zfaulkes/foils.html

    From Honor Bound:

Another Time
Asahina Tomo
Bad Kharma
Bayushi Dozan
Court Jester
Dragon's Teeth
Extortion
The Fair Voice of Lies
False Alliance
Familiar Surroundings
The Final Breath
The First Scroll is Opened
Force of Will
Hida Tsuru
Horsebowmen
The Kaiu Walls
The Master Painter
Matsu Toshiro
Plans Within Plans
Sanctified Ground
Setsuban Festival
Shadowlands Sickness
Shiba Kyo
Shiba Shingo
Skeletal Archers
Stance of the Mountain
A Stout Heart
Tomb of Iuchiban
Tomb of Jade
Toturi is Drugged
Tunnel System
Wetlands
Yogo Shidachi

    From Ambition's Debt:

The Arrow Knows the Way
As the Shadow Falls
Ashlim
Beiden Pass
Bridged Pass
Chi Strike
Corrupt Gold Mines
Disfavored
Disharmony
Dragon Sword is Broken
Fatal Mistake
The Festering Pit of Fu Leng
The Fire from Within
Goblin Berserkers
Goblin Wizard
Hida Sukune
Inner Fire
Kakita Ichiro
Lessons from the Past
Ningyo
Pikemen
Plague Zombies
Plains of the Emerald Champion
Political Distraction
Sake Works
Soshi Taoshi
Stand Firm
Suspended Terrain
Sympathetic Energies
To Avenge Our Ancestors
Togashi Jodome
Trading Grounds
Troops from the Woods

    From Fire and Shadow:

Bend Like A Reed
Blood of Midnight
Bonds of Darkness
Brothers of Thunder
Burning Your Essence
Corrupted Ground
Disenlightenment
Fu Leng's Steeds
Goblin War Standard
Kemmei
Koichi
Master of the Tea Ceremony
Mountain of the Seven Thunders
Night Battle
Oni no Kamu
Peasant Levies
Ranbe
Robes of Shinsei
Secluded Ravine
Shabura
Shadowlands Madmen
Shagara
Shahadet's Legion
Shiba Katsuda
Shinjo Sadato
Shioda
Stifling Wind
Sunken City
The Celestial Pattern
The Face of Fear
The Price of War
The Twelve Ronin
Trade Route
Warrior Monks