War Club

You affix the components for the spell to your club, yklwa, or quarter staff and summon nature spirits to empower your weapon. For the duration, you can use your spellcasting ability instead of Strength for the attack and damage rolls of melee attacks using that weapon, and the weapon's damage die becomes 1d6 (+4) Radiant damage. weapon also becomes magical, if it isn't already. You can dismiss the the Effect with a word.

At higher levels damage is increased by 1d6. At 5th level damage becomes 2d6. At 10th level damage becomes 3d6. At 15th level damage becomes 4d6.