During each of your opponent's turns, the first "Blackwing" monster you control that would be destroyed by battle, is not destroyed
In the TCG her artwork carries the same level of cuteness and not a single one of Atsuko Nishida's works will fail to make you squeal from cuteness overload
Even in the context of this precon, he is a great attacker who has some upsides if you can summon a few demons to help your cause
Necessary Drawback: Because You Can't Kill What's Already Dead, Jim's ghost allies have Nigh-Invulnerability and cannot be defeated in normal circumstances, but they cannot absorb hits any longer for him unlike their alive counterparts, and if damage and/or horror would be assigned to them, Jim would instead be the one suffering it
Most decks in the game will not go above 40 cards to help with consistency, but some play styles, like the Lightsworn archetype or decks used That Grass Looks Greener before it was banned, can benefit from more cards
In addition, Void Winnower shuts down blockers with even mana costs, which makes it easier for huge threats like the 11/9 Void Winnower to attack