Tarkir: Dragonstorm has powerful cards, and is new enough to be Standard-legal, but old enough to dip down from it's peak price
It makes it so that your opponents cant play cards with the same name as a card removed using Circus abilities, which isnt all that relevant in a singleton format
Hour of Devastation is the second set of the Amonkhet block and consists of 184 cards
The Spite can counter any noncreature, so it's a more expensive Negate, which we know how powerful it is at the kitchen table
Obviously a significant step down from Lightning Bolt, but in the dedicated Burn deck, its hard to create situations where you are punished for playing Skewer the Critics
Sproutback Trudge Green doesnt interact with lifegain much, but Sproutback Trudge looks like a compelling reason to consider cards like Weather the Storm and Essence Warden