Most Expensive World Championship 2004: GBA Promo Cards
The most expensive World Championship 2004: GBA Promo card is Sinister Serpent (Unlimited) at $71.26 on TCGplayer. These 5 chase cards are the most valuable in the set, updated on 17 Oct 2026.
up 62.8%Sinister Serpent
WC4-E002 · Prismatic Secret Rare · Unlimited
$71.26
up 0.1%Harpie's Feather Duster
WC4-E003 · Prismatic Secret Rare · Unlimited
$50.23
down 10.3%Kinetic Soldier
WC4-002 · Secret Rare · Limited
$14.60
down 0.9%Slate Warrior
WC4-003 · Secret Rare · Limited
$6.60
0.0%Fairy King Truesdale
WC4-001 · Super Rare · Limited
$2.99
The 5 most expensive World Championship 2004: GBA Promo cards
| # | Card | Printing | Price | 30 d | |
|---|---|---|---|---|---|
| 1 |  | Sinister Serpent WC4-E002 · Prismatic Secret Rare | Unlimited | $71.26 | up 62.8% |
| 2 |  | Harpie's Feather Duster WC4-E003 · Prismatic Secret Rare | Unlimited | $50.23 | up 0.1% |
| 3 |  | Kinetic Soldier WC4-002 · Secret Rare | Limited | $14.60 | down 10.3% |
| 4 |  | Slate Warrior WC4-003 · Secret Rare | Limited | $6.60 | down 0.9% |
| 5 |  | Fairy King Truesdale WC4-001 · Super Rare | Limited | $2.99 | 0.0% |