Rime and Freezin'
Type: Instant Ability
Cost: 2
Faction: Neutral
Rules:
Empower Mage: If you control a Mage hero or ally, your hero deals 4 frost damage to target opposing ally.

Empower Shaman: If you control a Shaman hero or ally, your hero deals 4 frost damage to target opposing hero.

Set: Crown of the Heavens (72)