Worf

Rank - Lieutenant (2)
{x}{u}{r}, {t}: Promote Worf. Put two +1/+1 counters on Worf. X is equal to Worf's rank at the time the ability is activated.
If Worf is Rank Commander or higher, it has first strike. If Worf is Rank Captain or higher, it has deathtouch. If Worf is Rank Admiral, it has trample.