
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 Majestic Dawn

Porygon-Z LV.X (Holofoil)

Leafeon LV.X (Holofoil)

Glaceon LV.X (Holofoil)

Garchomp LV.X (Holofoil)

Recover Energy (Reverse Holofoil)

Recover Energy

Metal Energy (Reverse Holofoil)

Metal Energy

Health Energy (Reverse Holofoil)

Health Energy

Darkness Energy (Reverse Holofoil)

Darkness Energy
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Helix Fossil (dp5-91) is a Trainer — Item card from the Majestic Dawn expansion that can be played as if it were a Colorless Basic Pokémon. It has a Poké-Body, Aqua Reaction, which lets you search your deck and evolve Helix Fossil immediately when you attach a Water Energy from your hand. The card cannot be affected by Special Conditions, cannot retreat, and you may discard it during your turn before attacking to remove it from play without it counting as being Knocked Out.
Catalog pricing data as of 18 Apr 2026, 14:09