Equipped creature gets +1/+1 for each charge counter on Mace of the Valiant and has
vigilance (Attacking doesn't cause this creature to tap.).
Whenever a creature enters under your control, put a charge counter on Mace of the Valiant.
Equip
(
: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)