Forum:Corridor of Agony vs Silent Swordsman LV 7

So today I was playing on Dueling Network with a friend. I had Silent Swordsman LV5 on the field, then he activated Corridor of Agony. On the next turn, I attacked him directly with LV5 and on my next Standby Phase, I used his effect to Special Summon Silent Swordsman LV7 from the main deck. Now my question is which card's effect works. Because we couldn't decide if LV7's effect trumped COA or vice versa.

130.74.226.27 (talk) 05:14, May 2, 2013 (UTC)