Unown Sアンノーン[S]

Poké-PowerSET

Once during your turn (before your attack), if you have Unown S, Unown E, and Unown T on your Bench, you may flip a coin. If heads, search your discard pile for an Energy card, show it to your opponent, and put it on top of your deck.

Flip a coin. If heads, the Defending Pokémon is now Confused.