Standard Mardu Deck "Tokens"

[Quim]

Hii, i was doing my firts B/W/R deck and i've no idea about which lands I should play. I've got all the standar lands (exept expeditions)

I also need some help in order to add more cards 'cause I can't decide... I've got a few in the mayboard but i really need the opinion of some veteran player...

Well thats all, here is the deck 


Deck: Mardu standard WIP

//Lands
4 Aether Hub
1 Hanweir Battlements
2 Westvale Abbey

//Spells
2 Anguished Unmaking
2 Collective Effort
3 Fatal Push
2 Harnessed Lightning
2 Hidden Stockpile
3 Sram's Expertise

//Creatures
3 Hanweir Garrison
2 Kari Zev, Skyship Raider
2 Smothering Abomination
4 Thraben Inspector
2 Yahenni, Undying Partisan
4 Zulaport Cutthroat