As long as any Stadium card with Holon in its name is in play, each of your Pokémon that has δ on its card does 10 more damage to the Defending Pokémon (before applying Weakness and Resistance).
Gyarados δ
8 · Rare · EX
- Set
- Holon Phantoms
- Number
- 8
- Rarity
- Rare
- Category
- Pokemon
- Type
- Lightning, Metal
- HP
- 90
- Stage
- Stage1
- Evolves from
- Magikarp
- Retreat cost
- 2
- Weakness
- Lightning ×2
- Variants
- holo
- Illustrator
- Hajime Kusajima
- Released
- 03/05/2006
Abilities
Attacks
Flip a coin. If heads, discard an Energy card attached to the Defending Pokémon.
Market reference
- Average€71.47
- Low€20.00
- Trend€88.02
- 30-day avg€84.06
Cardmarket, EUR — a European market reference, not a UK valuation, and not converted. Observed 02/09/2026.