How many bfc can you have with your team in a tournament and can you play them any time you want during the game and can you only play one.

1) You bring with you and assign to your team a number of BFC cards equal to the number of rounds in the tournament, minus one. For each BFC card you have less than the number of rounds in the tournament, you will have a placeholder card.
2) You play your BFC card at the same time as your opponent, at the beginning of the game, after map and edges are chosen, objects are placed and teams revealed, but before teams are placed on the map.
3) You may only play one BFC (or placeholder) card per round, and you must play one of the cards in your hand each round (unless you have a Bye round).

HTH. HAND.