Mace of the Valiant
Artifact — Equipment
Equipped creature gets +1/+1 for each charge counter on this Equipment and has vigilance. (Attacking doesn't cause it to tap.)
Whenever a creature you control enters, put a charge counter on this Equipment.
Equip 
Aaron Miller
Throne of Eldraine (ELD)
• #314Rulings
The equipped creature has vigilance even if Mace of the Valiant has no charge counters on it.
(wotc • 2019-10-04)
Rulings
The equipped creature has vigilance even if Mace of the Valiant has no charge counters on it.
(wotc • 2019-10-04)