This card features the female form of Indeedee. Heart Sign is an attack that first appeared on Jirachi from the Generations Radiant Collection. This card's Pokédex entry comes from Pokémon Shield.
Riddle Card
One of the riddle cards included in Eevee Heroes set features a modified image of this card with "something" removed, and requires players to point out what is missing. To prevent spoilers, the modified image is also used to represent this card on the official Japanese TCG website, along with an extra line added under the image stating that the actual card may vary from the displayed image.