This is an essential part for booting up your inkwell later
Players need to have a deck of at least 60 cards, some cards will be used as Ink to power the spending engine to get new cards into play, and characters can either go on Quests or challenge (fight) other exerted characters in an opponents play area
While I'm hoping that the return of MSRP for Magic: The Gathering products discourages this, we'll have to wait and see
Then you get to the real payoff, Chapter III, which gives another creature you control +X/+X and trample until end of turn, where X is the number of lands you control
Challenging If you want to interfere with an opponent who's doing an awful lot of questing, challenging is the way to go
As always, this means that MTG players may have to be quick on the buzzer once June 10th rolls around