This opens up a lot of possibilities
That means that you don't target a player like Bojuka Bog, so you can get around hexproof on a foe, and you don't target the card, so if someone does something like shuffle their graveyard back to their library in response to its ability being on the stack, you can just choose another card
To solve for them, we leaned on Celes at the start of the second half of the game where she is determined and hopeful on getting the group back together, as opposed to focusing her spellcaster abilities
When Sin dies, its player shuffles it back into its opponents library, meaning that the opponent will want to find a way to exile it, if they wish to get rid of the scourge of Spira
This is pretty incredible given how strong sacrifice decks are in Golgari, and getting an extra board-wide buff from each trigger is too good to miss out on
It's a great set to play across formats and opens the door to some cool possibilities with the coming sets