Ballot Broker

• WWizards of the Coast2016-08-23
  Official Ruling
  You must make your initial vote, even if you decline to vote an additional time.
• WWizards of the Coast2016-08-23
  Official Ruling
  Ballot Broker’s ability is cumulative. If you control two of them, you can vote up to three times.
• WWizards of the Coast2016-08-23
  Official Ruling
  You make all your votes at the same time. Players who vote after you will know all of your votes when making their own.
• WWizards of the Coast2016-08-23
  Official Ruling
  The ability only affects spells and abilities that use the word “vote.” Other cards that involve choices, such as Archangel of Strife, are unaffected.

Rulings via Scryfall