Bone Sabres 88 (Universes Beyond: Warhammer 40,000)

Whenever equipped creature attacks, put four +1/+1 counters on it. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

NM - $10.70
LP - $8.50
MP - $6.40
HP - $4.30
DMG - $2.20