Estel, the Sailor’s Star

Bestow {3}{g}{w}{u} (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)

Enchanted creature gets +4/+4.

Whenever an enchanted creature or enchantment creature you control attacks, draw a card.
—"I will watch over you from the stars."