Solrock

When it rotates itself, it gives off light similar to the sun, thus blinding its foes.

Poke-BODY — Heal Block: If you have Lunatone in play, damage counters can't be removed from any Pokémon (both yours and your opponent's). (Damage counters can still be moved.)

Sun Flash (20): If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.