Prevent damage.

As long as this artifact is untapped, if a creature would deal combat damage to you, prevent 1 of that damage. , : Attacking creatures get +1/+0 until end of turn.

This creature enters with four healing counters on it. Remove a healing counter from this creature: Prevent the next 1 damage that would be dealt to this creature this turn. : Put a healing counter on this creature.

Enchant creature All damage that would be dealt to you is dealt to enchanted creature instead.

Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.