Description, catalog fields, rules text, and how it plays—in one place.
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Play Helix Fossil as if it were a Colorless Basic Pokémon. (Helix Fossil counts as a Trainer card as well, but if Helix Fossil is Knocked Out, this counts as a Knocked Out Pokémon.) Helix Fossil can't be affected by any Special Conditions and can't retreat. At any time during your turn before your attack, you may discard Helix Fossil from play. (This doesn't count as a Knocked Out Pokémon.)
Abilities, attacks, weakness & resistance
When you attach a Water Energy card from your hand to Helix Fossil (excluding effects of attacks or Poké-Powers), search your deck for a card that evolves from Helix Fossil and put it onto Helix Fossil (this counts as evolving Helix Fossil). Shuffle your deck afterward.
Other cards from Arceus
Tangrowth LV.X (Holofoil)
Salamence LV.X (Holofoil)
Gengar LV.X (Holofoil)
Arceus LV.X (Holofoil)
Arceus LV.X (Holofoil)
Arceus LV.X (Holofoil)
Helix Fossil (Reverse Holofoil)
Dome Fossil (Reverse Holofoil)
Dome Fossil
Ultimate Zone (Reverse Holofoil)
Ultimate Zone
Professor Oak's Visit (Reverse Holofoil)
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Helix Fossil (pl4-93) is a Trainer — Item card printed in the Arceus set that can be placed into play as if it were a Colorless Basic Pokémon. Its Poké-Body, Aqua Reaction, lets you attach a Water Energy from your hand to search your deck for a card that evolves from Helix Fossil and put that evolution onto it. It cannot be affected by Special Conditions, cannot retreat, and may be discarded before attacking without counting as Knocked Out, making it a temporary platform for evolving into its fossil line.
Catalog pricing data as of 14 Apr 2026, 13:49