Azorius Herald
From RNA Guild Kit set
Azorius Herald
Creature — Spirit
2/1
This creature can't be blocked.
When this creature enters, you gain 4 life.
When this creature enters, sacrifice it unless
was spent to cast it.
Rulings
- If this enters in a way other than announcing it as a spell, then the appropriate mana can't have been paid, and you'll have to sacrifice it.
