Just a suggestion based one of the old mods for the Binding of Isaac Afterbirth+.
Lime Party(Pill):Like Lemon Party,but the puddle is a little smaller and inflicts poison
Toxic Lemonade(Active):Pretty Much the combination of Lime Party & Free Lemonade
Serpent's Head(Active):Adds a charged secondary attack that shoot gas clouds
Serpent's Tail(Active):Basically a heavy melee weapon that poisons enemies
Nuclear Rod(Passive):Adds a chance to shoot Rod projectiles that leave gas clouds
Lil' Bob(Familiar):The familiar version of Ipecac
Mini-Nuke(Active):Summons a missile-strike that causes a poisonous Giga bomb explosion