It is card 85 of the 124 in the official Fates Collide checklist. If you are completing the set, mark it in your collection to keep track.
Rarity: Ultra Rare. The symbol in the bottom corner confirms it at a glance, as explained in Pokémon card rarities explained.
Artwork by 5ban Graphics. Some collectors chase every card by the same artist: how to start (in Spanish).
Attacks
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Magical Symphony
110
If you played a Supporter card from your hand during this turn, this attack does 50 damage to 1 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)