Sagittarius

Bestow {3}{g}{g}(If you cast this spell 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.)
When Sagittarius enters the battlefield, choose vigilance, reach, or trample. Sagittarius and
enchanted creature gain the chosen ability.
Enchanted creature gets +3/+4.