As long as you have Solrock in play, each player's Fire Pokémon (excluding Pokémon-ex) can't use any Poké-Powers.

Moon Guidance

Search your deck for a Trainer card (excluding Supporter cards), show it to your opponent, and put it into your hand. Shuffle your deck afterward.

Psyshock

10

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