Ashardalon's Stride

Source: Fizban's Treasury of Dragons
  3rd-level Transmutation
  Casting Time: 1 bonus action Range: Self Components: V,S Duration: Concentration, up to 1 minute
  The billowing flames of a dragon blast from your feet, granting you explosive speed. For the duration, your speed increases by 20 feet and moving doesn’t provoke opportunity attacks.
  When you move within 5 feet of a creature or an object that isn’t being worn or carried, it takes 1d6 fire damage from your trail of heat. A creature or object can take this damage only once during a turn.
  At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, increase your speed by 5 feet for each spell slot level above 3rd. The spell deals an additional 1d6 fire damage for each slot level above 3rd.
  Spell Lists. Artificer, Ranger, Sorcerer, Wizard