Forum:Decree vs Mirror

Condition : - My opponent has one monster and a set Royal Decree - I have one winged beast monster, a set icarus and mirror force

My opponent attacks me with his monster and i respond with icarus attack then he activated Royal Decree. I chained my Mirror Force to his Royal Decree. Can i do that?--118.137.219.184 (talk) 07:29, October 3, 2010 (UTC)