Fun new build: Eternal Tahm Kench

http://gameinfo.na.leagueoflegends.com/en/game-info/summoners/masteries/#5.MsUvOhqP.Hn68CXP00 3x Armor Quint, 9x Attack Speed Mark, 9x Scaling Health Seal, 6x Scaling CDR/3x Scaling Magic Res Seal

Tahm top has a gift. And that gift is healing. Yes, he has a shield for emergencies, buy healing up grey health is where the real power lies. With this build, Tahm can basically stay at full health. Give it a whirl!