This, of course, means you can't get a lore when you draw your card at the start of your turn, but drawing cards at any other time during your turn will gain you 1 lore
Emerald uses its flexibility to change the status of your opponent and move cards back and forth
There are references to this in various Lorcana items, and while it's not necessary to play the TCG or even use the latest Starter Decks, it adds a bit of background flair
But when you tack on milling synergies in its first chapter, returning all lands from your graveyard to the battlefield in the second chapter and another target creature getting +X/+X equal to the number of lands you control in the final chapter, youve got the makings of a top-flight game-finisher and yet another example of Summons being playgrounds for the Timmys/Tammys of the world (like me)
But, unlike most of the field, he did far better than that by notching a Top 8 seat and the World Championship 31 invitationall after going undefeated on Day One