Is alistar top good?
I played a few games and it seems pretty good tbh. It is really fun and I won lane against things like garen and Darius. He can A: win any duel with his ult B: great teamfighting C: becomes a monster of a bruiser in the late game D: good sustain throughout the game E: beats juggernauts since he can headbutt them when they engage and he can sustain through their damage and duel them late game with his ult.
My build is
plus either a defensive item or a 
Is this viable or should I stop playing it?
(aso comes with an AA reset) for wave clear, instead of stattik?
instead of frozen mallet?