As this enchantment enters, choose a nonland card name.
Spells with the chosen name can't be cast.
"By the law of Avacyn, the following thoughts, words, and deeds are henceforth disallowed."
Legalities
tlrlegal
duellegal
brawlnot legal
pennylegal
PreDH
Rulings · 6
wotc
If you name one of the faces of a modal double-faced card, players may still play the face you didn't name. (Players can never cast the back face of a transforming double-faced card)
wotc
You can name either half of a split card, but not both. If you do so, that half (and both halves, if the split card has fuse) can't be cast. The other half is unaffected.
wotc
The named card can be cast again once Nevermore leaves the battlefield.
Notes
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