Arcane Dagger

You touch a target, assaulting them with an arcane knife made of raw magic. Make a melee spell attack, on a hit the target takes 1d4 force damage. Along side this spell functions for booming blade and green-flame blade.  This spell’s damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4), and 17th level (4d4). If this spell is used by an arcane trickster it can apply sneak attack