The primary questions you are asking at all points are, Am I 100% dead if they have it, and if not, how much am I giving up playing as if they do? Often the responses are Yes, and quite a bit. This is super-interesting because a lot of the actual threats are the same as Battle for Zendikar Standard, but the ability to answer them has dramatically decreased
Number 16: Shock Master has a floodgate effect that can be used on whatever card type a player chooses, as players can detach a material from this card to choose a type of card, and the opponent cannot activate the effects of those cards until the end of their turn
Thankfully, there are still sizeable savings on Temur Roar , Mardu Surge , Sultai Arisen , Jeskai Striker, and Abzan Armor
(2004-10-04) The ability replaces the normal discard action with a discard action that puts the card on the library instead of the graveyard