World Championship 2004: GBA Promo Card List and Prices
Last updated: · prices refresh nightly
World Championship 2004: GBA Promo has 6 cards. The most valuable card is Sinister Serpent at about $71.26 as of Oct 30, 2026. Prices are US market estimates from TCGplayer sales, updated nightly.
Set details
- Released
- Feb 10, 2004
- Total cards
- 6
- Secret rares
- —
- Set code
- WC4
- One of each, at market
- $145.82
World Championship 2004: GBA Promo Chase Cards
The 5 most valuable cards in the set right now, by market price.
| Rank | Card | No. | Rarity | Price | 30-day change |
|---|---|---|---|---|---|
| 1 | Sinister Serpent | WC4-E002 | Prismatic Secret Rare | $71.26 | up62.8% |
| 2 | Harpie's Feather Duster | WC4-E003 | Prismatic Secret Rare | $50.23 | down0.5% |
| 3 | Kinetic Soldier | WC4-002 | Secret Rare | $14.60 | down12.7% |
| 4 | Slate Warrior | WC4-003 | Secret Rare | $6.67 | up0.8% |
| 5 | Fairy King Truesdale | WC4-001 | Super Rare | $3.06 | up2.0% |
Set completion tracker
Tick the World Championship 2004: GBA Promo cards you own to see what's left and what it costs to finish the set. Saved on this device, no account.
- You own
- 0 / 6 (0%)
- Your cards' value
- $0.00
- Cost to complete
- $145.82
1 missing card has no market price yet and isn't in the cost.
Full World Championship 2004: GBA Promo Card List
| Name | Rarity | ||
|---|---|---|---|
| WC4-001 | Fairy King TruesdaleSuper Rare | Super Rare | $3.06 |
| WC4-002 | Kinetic SoldierSecret Rare | Secret Rare | $14.60 |
| WC4-003 | Slate WarriorSecret Rare | Secret Rare | $6.67 |
| WC4-E001 | Valkyrion the Magna WarriorPrismatic Secret Rare | Prismatic Secret Rare | No price yet |
| WC4-E002 | Sinister SerpentPrismatic Secret Rare | Prismatic Secret Rare | $71.26 |
| WC4-E003 | Harpie's Feather DusterPrismatic Secret Rare | Prismatic Secret Rare | $50.23 |
World Championship 2004: GBA Promo card images
World Championship 2004: GBA Promo FAQ
How many cards are in World Championship 2004: GBA Promo?
World Championship 2004: GBA Promo has 6 cards.
What are the chase cards in World Championship 2004: GBA Promo?
The chase cards are the most valuable pulls: Sinister Serpent (#WC4-E002, Prismatic Secret Rare) at about $71.26; Harpie's Feather Duster (#WC4-E003, Prismatic Secret Rare) at about $50.23; Kinetic Soldier (#WC4-002, Secret Rare) at about $14.60. The full top 5 is in the table above.
What is the most expensive card in World Championship 2004: GBA Promo?
Sinister Serpent (#WC4-E002) at about $71.26 as of Oct 30, 2026, based on recent US TCGplayer sales of ungraded copies.
How do I check what my World Championship 2004: GBA Promo cards are worth?
Find the card in the list above, or search it by name and number. Faster: scan it with the free TCG Scanner app for iPhone and Android, which recognises the card from your camera and shows its price in seconds.
Opening World Championship 2004: GBA Promo?
Scan your pulls with the TCG Scanner app and see what each Yu-Gi-Oh! card is worth as you go.
Prices are US market estimates in USD, from TCGplayer sales data, last updated Oct 30, 2026. They are a guide, not an offer to buy or sell. How we price cards.