You can read about the Jumpstart format here
Each legendary you resolve potentially chains into another, building an enormous board of iconic creatures in just a few turns
If it enters the battlefield at the same time as a Mountain when you control no other Mountains, it will enter tapped
This set, known for its unique approach, features a mix of reprints from various sets and exclusive cards that can elevate your gameplay experience
Im not sure how good it is, as Ive been focusing on Limited since the release of Guilds of Ravnica in anticipation of Grand Prix Mexico City, but I like the idea of having chump blockers against big creatures, Goblin Chainwhiler against small creatures, and Experimental Frenzy against control, on top of a powerful proactive combo plan.
Mox Jasper is the sets chase mana rock, and its a belter