It is card 13 of the 132 in the official Gym Heroes checklist. If you are completing the set, mark it in your collection to keep track.
Rarity: Holo Rare. The symbol in the bottom corner confirms it at a glance, as explained in Pokémon card rarities explained.
It exists in several finishes (Holo, 1st edition). Each one has its own price; the average above is for the regular version.
Artwork by Ken Sugimori. Some collectors chase every card by the same artist: how to start (in Spanish).
Attacks
Grass
Shadow Images
Whenever Rocket's Scyther is attacked, your opponent flips a coin. If tails, that attack does no damage to Rocket's Scyther. (Any other effects of the attack still happen.) This effect lasts until Rocket's Scyther takes damage (or is Benched or is evolved).