Stain the Mind

Naming a card and stripping every copy of it from an opponent's graveyard, hand, and library is the surgical end of the discard lineage: where Thoughtseize takes one card off the top of what it can see, this one erases all four of a name wherever they hide. The catch is that you commit to the name blind. The card name is chosen on resolution, before you are allowed to look, so this is not a read-and-react tool but a wager on what you already know the opponent is built around. That aims it squarely at decks leaning on a single irreplaceable piece: the combo card nothing functions without, the one bomb a singleton list is built to find. Against a redundant, threat-dense list it does little; against a brittle one it can pull the whole plan out by the root in one resolution. Convoke is the concession that keeps the rate honest. Five mana to name one card is steep for a sorcery, but tapping a developed board to cover the cost lets a deck that already has creatures down cast it almost as a free action rather than a turn off, folding a clunky attrition effect into a tempo shell that would never otherwise stop to play it. The whole design lives on that bet: spend nothing if you are right about the name, spend a turn for nothing if you are wrong.