Smiting Helix 
Sorcery
Smiting Helix deals 3 damage to any target and you gain 3 life.
Flashback 
(You may cast this card from your graveyard for its flashback cost. Then exile it.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL