Worf, Honor-Bound Warrior 390 (Star Trek)

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.

NM - $2.30
LP - $1.80
MP - $1.40
HP - $0.90
DMG - $0.70