Ring of Deep Healing

{Card Name} enters the battlefield with charge counters equal to the number of creatures in your party.
Whenever another player deals combat damage to you they gain control of {Card name} and it becomes unequipped if it's equipped to a creature.
Equip: {4} This costs {1} less for each creature in your party.
If damage would be dealt to equipped creature, you may remove any number of charge counters from {Card Name} and prevent that much damage.
At the beginning of each combat phase, put X