Because graded cards have objective condition grades, pricing is way more transparent
The news comes from the Wall Street Journal (which should, by itself, give you an idea of how big this is), which was tipped off that the card has been registered and graded by PSA, the authentication and grading company
The only penalty to the creature itself is -1/-0, which is negligible given the quality of creatures you can reanimate with this
While three mana tutor effects are normally too slow for cube Matron is a mainstay in basically all kinds of goblin deck
You can only activate 1 "Soul Crossing" per turn
Dark Ruler No More Type Spell Card TCG Date 2019-08-29 OCG Date 2019-09-14 Card Text Negate the effects of all face-up monsters your opponent currently controls, until the end of this turn, also, for the rest of this turn after this card resolves, your opponent takes no damage