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
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
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
Stock may vary between locations and often sells out quickly
Following Ursulas defeat (which you can help with by taking her on in the Illumineers Quest: Deep Trouble set!), the fifth set for Disney Lorcana is Shimmering Skies
Though she might not seem like much, if youre facing hordes of identical creatures, Izzet Staticaster may be just the creature youre looking for