Chea, Friend to Maybe Too Many is a rare Legendary Creature — Human Wizard card from Mystery Booster 2 (MB2), collector number 591. Current market price: $0.28, TCGplayer market prices via Scryfall.
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.