There are 30 Will Power trading cards tracked on HobbyCardIndex, spanning Racing. The most valuable is the Will Power #N-WP at $85.12 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/will-powerWill Power Cards
30 cards · Racing
All Will Power Cards
Will Power #N-WP
$85.12
Will Power [Sparkle Foil] #SSWP
$67.49
Will Power [Silver] #SSH-WP
$41.00
Will Power #SSWP
$35.96
Will Power [Green] #SSH-WP
$31.00
Will Power [Sparkle Foil] #SSH-WP
$27.33
Will Power #SSH-WP
$24.99
Will Power #SS-WP
$17.05
Will Power #12
$14.24
Will Power #HH-4
$12.99
Will Power #R-7
$12.99
Will Power [Blue] #147
$5.75
Will Power [Blue] #124
$5.75
Will Power [Foil] #105
$5.49
Will Power #147
$5.12
Will Power #II-3
$4.99
Will Power #150
$4.93
Will Power #NO-8
$2.70
Will Power #14
$2.49
Will Power #19
$2.24
Will Power [Foil] #13
$2.00
Will Power #13
$1.99
Will Power #93
$1.99
Will Power #100
$1.99
Will Power #124
$1.99
Will Power #97
$1.99
Will Power [Foil] #83
$1.49
Will Power [Checkered Flag] #147
$1.49
Will Power [Foil] #110
$1.49
Will Power [Foil] #14
$0.99