Yes you can abuse degenerator traps to grind your units' stats up infinitely and thus never have to deal with the Level Scaling random encounters getting stronger than you, while you get access to one as soon as you reach Zeklous Desert, which is accessible after only five story battles in Chapter 1
A Clue is a new artifact type
The Standard metagame has been clearly established over the past few months, with Rogues, Gruul, and a handful of other decks at the top of the heap
Meanwhile, Spiky Hopper hits for 160 and ignores all effects on the opponents Active Pokemon, granting a clean answer to walls and defensive techs
With only Negate and Disdainful Stroke as two-mana options, decks had to lean on Jwari Disruption in the early-game
With a little deck manipulation, you can very easily swap one or two mana spells for giant bombs like an Eldrazi creature or even an Omniscience