Azorius Herald (PLST) (#GK2-2)

Name: Azorius Herald
Mana Cost: {2}{W}
Type: Creature — Spirit
Collector Number: GK2-2
Oracle Text: Azorius Herald can't be blocked. When Azorius Herald enters, you gain 4 life. When Azorius Herald enters, sacrifice it unless {U} was spent to cast it.
Rarity: uncommon
Artist: Justin Sweet