Chea, Friend to Maybe Too Many

Legendary Creature — Human Wizard — {1}{W}{B}{G}

Familiar spells you cast have flash. (Bats, Birds, Cats, Dragons, Faeries, Foxes, Frogs, Imps, Lizards, and Spiders are familiars, as well as any creature with "Familiar" in its name.) {T}: Add X {G} and each opponent loses X life, where X is the number of familiars you control.