Worf, Honor-Bound Warrior is a uncommon Legendary Creature — Klingon Warrior Officer card from Star Trek (TRK), collector number 524.
Whenever you attack while creatures you control have total power 8 or greater, double Worf's power until end of turn. Tap two untapped artifacts and/or creatures you control: Put a +1/+1 counter on Worf. Activate only as a sorcery.