Swordmage's Edge

As part of the action used to cast this spell, you must make a melee attack with a weapon against one creature within your range, otherwise the spell fails. You can use your spellcasting ability modifier instead of Strength or Dexterity for the attack and damage rolls when making this attack.

This spell causes additional damage on the attack when you reach higher levels. At 5th level, the melee attack deals 1d8 extra weapon damage to the target. The extra damage increases by 1d8 at 11th (2d8) level and 17th (3d8) level.