Glimmer, Child of Dragons

Vigilance, Lifelink, Ward {2}
At the beginning of your upkeep, you may pay {u}{u} or {w}{w}.
If {u}{u} was paid, tap target creature.
If {w}{w} was paid, gain 2 life.
"She served her father's killer for a lifetime, never
knowing the truth. Well, until now." —Aralyth