Shillelagh

The wood of a club or quarterstaff you are
holding is imbued with nature's power. For the
duration, you can use your spell-casting ability
instead of Strength for the attack and damage
rolls of melee attacks using that weapon, and the
weapon's damage die becomes a d8. The weapon
also becomes magical, if it isn't already. The spell
ends if you cast it again or if you let go of the
weapon.
* - (mistletoe, a shamrock leaf, and a club or quarterstaff)