If you use it to bring back a card like Herald of Eternal Dawn, which makes it so you cant lose the game and your opponents cant win the game, you have set yourself up to win
Augment your case for a refund or have the undeniable, rock-solid proof on your item's authenticity status
Hopefully you have a means to draw cards by turn 3 or 4
Jodah, an immortal archmage from Dominarias past, will join Karn in his efforts to defeat the Phyrexians, along with the Planeswalkers Jaya and Teferi. These are big names for Magic players, and Wizards has already hinted at some pretty significant twists for a number of them
You need to jump through a lot of deckbuilding hoops for this, but thats reasonable considering the potential within this card
These are features of the card that give you extra things you can do with them, or change the rules of the game in some capacity