Essentially, you can use Chernabog to quest, challenge, or even to draw a card and bolster the resources in your hand
So at worst you have a 6/6 samurai, but at best you hit a living weapon, job select card, For Mirrodin!, Meteor Sword, Embercleave, and the nasty Nazgl Battle-Mace
With Sing Together, any number of players teammates can assist by exhausting their own characters to help sing these song cards - which include The Mob Song, Look at this Family and A Pirates Life - for free
This reminds me a lot of the Outlaws of Thunder Junction mechanic "spree," except with tiered you can only choose one mode
It features the new dual-ink card game mechanic introduced with Archazia's Island which limits cards to decks utilizing both colors