TM37 teaches a move to a compatible Pokémon. TM37 is:
Sorry, we don't have location data just yet.
|Black 2/White 2||Coming soon|
|Causes a sandstorm that hits the foe over several turns.|
|Emerald||A 5-turn sandstorm that damages all types except ROCK, GROUND, and STEEL.|
|A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.|