This reminds me a lot of the Outlaws of Thunder Junction mechanic "spree," except with tiered you can only choose one mode
Whats the coolest custom card youve come across
While shes waiting for a new opponent to challenge, Raya can also be used to quest for two lore, meaning that shes useful to have on the table regardless of your current strategy
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
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
Essentially, you can use Chernabog to quest, challenge, or even to draw a card and bolster the resources in your hand