The Clow Cards were created by Clow Reed and sealed in a book. Their magic is activated by Sakura's sealing rod and is stronger at night than during the day. The Clow Cards are listed below in order of appearance.
Anime Cards:
Windy
Fly
Shadow
Watery
Wood
Rain
Jump
Illusion
Silent
Thunder
Sword
Flower
Shield
Time
Power
Mist
Storm
Float
Erase
Glow
Move
Fight
Loop
Sleep
Song
Little
Mirror
Maze
Return
Shot
Sweet
Dash
Big
Create
Change
Freeze
Firey
Snow
Voice
Lock
Dream
Sand
Dark
Light
Twins
Earthy
Manga Order
Windy
Wood
Jump
Fly
Watery
Illusion
Flower
Sword
Thunder
Shadow
Mirror
Shield
Maze
Erase
Glow
Dark
Light
Firey
Earthey