Agent Venom 
Legendary Creature — Symbiote Soldier Hero
Flash Menace Whenever another nontoken creature you control dies, you draw a card and lose 1 life.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL