Betrothed of Fire 
Enchantment — Aura
Enchant creature Sacrifice an untapped creature: Enchanted creature gets +2/+0 until end of turn. Sacrifice enchanted creature: Creatures you control get +2/+0 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL