Haste

function bu(u, b)	local i = 1	while (UnitBuff(u, i)) do		if (string.find(UnitBuff(u, i), b)) then			return true		end	i = i + 1	end	return falseendif bu("Pet","Lesser Invisibility") then	UseContainerItem(0, 1)else	CastPetAction(7)	UseContainerItem(0, 1)end