I've been facing a lot of aggros (merfolk, bushwacker zoo) and RW Prisons, so I started running 4 Herders and no Smashers.
Still not sure if it's a good choice. Herder has the pros to dodge BM, provide chump and <> mana. Besides it's sometimes hard condition to value, he has saved me enough games to give him a point. Smasher is amazing on Bant Eldrazi because you can consistently play him on T3, and this don't happen on this deck.
Talking about sb, what about Memoricide over Surgical? In most combos mups surgical depends on a discard (mostly on a seize to discard a nahiri/ company/ ad nauseam/ scape*****) and it nombo so hard with relic...
Still not sure if it's a good choice. Herder has the pros to dodge BM, provide chump and <> mana. Besides it's sometimes hard condition to value, he has saved me enough games to give him a point. Smasher is amazing on Bant Eldrazi because you can consistently play him on T3, and this don't happen on this deck.