Dark Favor 
Enchantment — Aura
Enchant creature When this Aura enters, you lose 1 life. Enchanted creature gets +3/+1.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment — Aura
Enchant creature When this Aura enters, you lose 1 life. Enchanted creature gets +3/+1.