They do less in that area than Impulse and most of the one drops
With some careful deck building (mostly playing some big card-draw spells you can cycle into with Unpredictable Cyclone to make sure you always have some cycling cards in hand), you should be able to mostly play your entire deck in a single turn by cycling, casting stuff (including card-draw spells) for free with Unpredictable Cyclone, drawing into more cycling cards, and cycling them to trigger Unpredictable Cyclone against and again until you've essentially cast your entire deck
If Graaz loses its abilities for some reason, then Juggernauts you control will not have to attack each combat and will be able to be blocked by Walls
First, rule breaking cards have a higher percentage chance of something going wrong
Whether this design change is permanent or just for Amonkhet remains to be seen
3-D TOKENS Magic cards required: 1 Sure, using Genesis Chamber and Myr Battlesphere to spawn a dozen adorable metal killing machines is great, but you know whatd be even cooler