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 - $8.90
LP - $7.10
MP - $5.30
HP - $3.60
DMG - $1.80