Vein Ripper

• WOTC Official Reminder Textofficial rules
  Ward — Whenever this permanent becomes the target of a spell or ability an opponent controls, counter it unless that player pays [cost].

• WWizards of the Coast2024-02-02
  Official Ruling
  If Vein Ripper dies at the same time as one or more other creatures, its last ability triggers for each of those creatures.

Rulings via Scryfall