"Don’t be afraid to experiment (with the permission of your teammates)."

Win a bunch of support gp games in team builder then you'll have proof when you do it in ranked.

Aside from the passive proc he gives to ADCs, what does GP have to offer as a support? Not that I don't support anti-meta picks, but why GP over anything else?

Hybrid between AD/AP Gangplank, OR just go "Double Life Plank."

...In which his W acts as another life.