Bone Sabres [Warhammer 40,000]

Set: Warhammer 40,000 Type: Artifact — Equipment Rarity: Rare Cost: {2}{G} 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.) Charged with psychic energy, the melee weapons of the Tyranid are far more than bone and chitin.