Sinister Strength 
Enchantment — Aura
Enchant creature Enchanted creature gets +3/+1 and is black.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment — Aura
Enchant creature Enchanted creature gets +3/+1 and is black.