Lets just face it:
sucks. His kit is not only laughable, it is completely worthless. Being chased? Throw down the portal so your team can port through it...oh...and here comes the opposing team right behind it. Need health, instead of being able to target heal, lay down some heal fountains and hope you positioned them where your teammates can take advantage of it. Need a clutch ult? Watch as Bard does no damage while throwing an aoe 'Zhonya's' on you along with the entire opposing team giving them time on what action to take next. Need a support? Watch as Bard goes collects chimes as the roaming 'support' (ie, absent support) allowing you to face ganks and 2v1's alone :D
The ONLY thing he has going for him is the short range 'Lux' stun/cc and maybe building attack speed on him or every activated support item because then he can actually....idk...do something that gives your team an advantage.