Even more cards have been revealed today, with Ribombee and Mina being the latest from SM7b Fairy Rise! The set will release in Japan on August 3rd. Thanks goes to Bangiras for the translations.
Ability: Mystic Buzz
As long as this Pokemon is on your Bench, whenever your opponent plays a Supporter card from their hand, prevent all effects of that card done to your [Y] Pokemon in play.
[Y] Stampede: 20 damage.
Weakness: Metal (x2)
Resistance: Darkness (-20)
Search your deck for a [Y] Energy and attach it to 1 of your Pokemon. Then, shuffle your deck.
You may play only 1 Supporter card during your turn (before your attack).