Majestic Auricorn is a uncommon Creature — Unicorn card from Magic Online Promos (PRM), collector number 80953.
Mutate {3}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Vigilance Whenever this creature mutates, you gain 4 life.