Antique Old Amber (Japanese: 古びたひみつのコハクOld Secret Amber) is an Item card. It is part of the 151 expansion.
Card text
All prints
You can't have more than 1 ACE SPEC card in your deck.
You can't have more than 1 ACE SPEC card in your deck.
Team Plasma
Team Plasma
You can't have more than 1 ACE SPEC card in your deck.
FLARE
(Prism Star) Rule You can't have more than 1 card with the same name in your deck. If a card would go to the discard pile, put it in the Lost Zone instead.
TAG TEAM
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VSTAR Power
Play this card as if it were a 60-HP Basic Pokémon. This card can't be affected by any Special Conditions and can't retreat. At any time during your turn, you may discard this card from play.
Do Nothing
At the beginning of your turn, flip a coin. If heads, you can do nothing during your turn. If tails, your opponent can do nothing during his or her next turn.
Amber Protection コハクのまもり
Prevent all effects of your opponent's Pokémon's Abilities done to this Pokemon.
Do Nothing
At the beginning of your turn, flip a coin. If heads, you can do nothing during your turn. If tails, your opponent can do nothing during his or her next turn.
You may play any number of Item cards during your turn.
Rulings
Although this card's text states it can evolve into "Aerodactyl ex", it cannot evolve into Aerodactyl ex from EX Sandstorm, as that card states it must evolve from Mysterious Fossil.[1]
Trivia
The text on this card states that it can evolve into "Aerodactyl or Aerodactyl ex". However, no Pokémon ex cards named "Aerodactyl ex" were introduced for the entire duration of this card's legality in the 2023-24, 2024-25, and 2025-26 Standard formats.