The Battle Cattle are armed and ready for battle! I love tribal action so the whole point of this deck is to get out some cheap minotaurs and start turning them sideways.
Dreadbore is there for those pesky planeswalkers and hard to deal with threats (polykranos, desecration demon, you name it)
Lightning Strike is for the medium threats and combat tricks, it might be switched out for Magma Jet to get some more Scry going
As there are plenty of monocolored creatures in standard now, Ultimate Price is almost as functional as doom blade, except it can also take out mono black's creatures.
Rakdos's Return is for something to do with all that extra mana and as a sneaky win con
Read the bones is necessary for those times where your cattle have been turned into steaks or you need a little extra somethin somethin to get you going.
Thoughtseize because Thoughtseize, deals with those things you just can't deal with easily.
Whip of Erebos has become a staple to this deck. It keeps your life high so you can use it as a resource and as a crutch, also it allows you to get back your cows for a nice alpha strike.
Sideboard:
Dark Betrayal obviously for Mono Black
Skullcrack for those UW shenanigans
Another whip if they're packing a lot of enchantment hate (they will)
Bile Blight and Ultimate price for mono U and weenies
Devour Flesh for Blood Baron and hexproof shenanigans
Lightning strike if they're playing weenie