Text (RA+errata): Cast ~this~ only before attackers are declared. ; You choose which creatures attack this turn. You choose how each creature blocks this turn. [Oracle 2009/07/08]
The (R/W) hybrid mana symbols can be paid with either {R} or {W}. [Card Reminder Text]
If you play it on your turn, you gain the ability to choose if your opponent's creatures block or leave your creatures unblocked, and you choose what they block if they do block (assuming legal choices). [D'Angelo 2006/08/01]
If you play it on your opponent's turn, you gain the ability to choose if any of your opponent's creatures attack, and if so which ones attack. [D'Angelo 2006/08/01]
