Expect them to be around the cost of three booster packs, since thats what the stores giving out to each player
Stiltzkin, Moogle Merchant From a pure power level, Stiltzkin probably should be even lower, but the moogle merchant is an interesting donating card that could open up some fun play for people, and isnt something we see too much of
Wizards hit it out of the park by allowing players to learn and play Magic from the comfort of their living rooms, with an excellent tutorial
8 Mickey Mouse, Trumpeter - $59.08 Calling For Allies Released in the Into the Inklands set, Mickey Mouse - Trumpeter can call upon many other characters to aid in battle by playing them for free
Of course, Chalice's controller should adjust their deck and strategy somewhat so they are not hit too hard by their own Chalice.
The Rise of Sozin This incredibly powerful Saga will let you search a player's library for multiple copies of a single card and immediately banish them from the game