Even if you're not playing any draw spells yourself, it's wise to attack Narset before she can lock you out with Day's Undoing or Geier Reach Sanitarium
The set will launch at local game stores on November 17th followed by a wider retail release on December 1st
My final mention is one that most people dont consider a board wipe, but its a personal favorite of mine
If it's a permanent spell, the copy gains haste and "At the beginning of the end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.) Creature - Beast Demon Opposition Agent Flash You control your opponents while they're searching their libraries
Jund's typical strategy was to run Fulminator Mage and recur it with Kolaghan's Command, backed up with Alpine Moon or Damping Sphere
Black can do this as well, with cards like Stitchers Supplier and Ransack the Lab