Forum:Dark Room of Nightmare vs Trickstar

Hi, may i know if the effect of Dark Room of Nightmare stacks? If I have 2 pieces of Dark Room of Nightmare on my field and when my trickstar inflicts effect damage to my oppt, 1 or both Dark Room of Nightmare effect will be triggered?

Thank you Kukuhangoh (talk • contribs) 13:20, May 17, 2017 (UTC)