Mace of the Valiant (ONC) #78 [EN/N]

{2}{W} · 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 {3} · Illustrated by Aaron Miller · Phyrexia: All Will Be One Commander #78 · EDHREC rank 8771 · Magic: The Gathering, MTG