This concept of shuffling the Defending Pokémon into
your opponent's deck is not a new concept. A similar
attack first appeared in Pokémon's first expansion,
Jungle, with Pidgeot's Hurricane attack. These type of
attacks have always had two things in common:
1) They are expensive (3-4 energy).
2) They are almost never good.
The issue with Strong Breeze is
that no competitive decks involve building one, strong
Pokémon, which is what Strong Breeze would counter. You
waste too much time getting four energy on a Stage 2
Pokémon simply to shuffle one of your opponent's Pokémon
back into the deck. Chances are your opponent will have
a replacement Pokémon ready on the bench to KO your
Combos with: Double Colorless