Grease

You teleport a small stick of butter or similar shortening, where it rapidly melts and spreads in a thin layer over the ground.

Action - 10 ft. Radius (60 ft.) - 1st Level (Conjuration) - VSM - 1 Minute

Dexterity Save

Failure: Target is prone
Success: No Effect.
Area Hazard: The area is difficult terrain. A creature that moves onto or away from the grease must make a save against the spell.

Classes:

Sorcerer, Wizard