name: Master Warcraft
originalText: Cast this spell only before attackers are declared.
  You choose which creatures attack this turn.
  You choose which creatures block this turn and how those creatures block.
printings: CMA, CMD, CMR, GK1, RAV
text: Cast this spell only before attackers are declared.
  You choose which creatures attack this turn.
  You choose which creatures block this turn and how those creatures block.
type: Instant