Frostmourne
Type: Equipment
Subype: 2H Weapon
Cost: 5
Faction: Neutral
Attack: 4
Damage Type: Frost
Strike Cost: 2
Rules:
When an ally you control is destroyed, add a +1 ATK counter to this weapon and your hero heals 3 damage from itself.

When your hero deals combat damage to an opposing hero while undamaged, you may put target ally from your graveyard into play.

Set: Reign of Fire (184)