At 7:10 central time my opponent cast elspeth storm slayer with 4 plains and a sunken citadel on white. I had disdainful stroke in hand and restless reef and darkslick shores untapped but the client would not allow me to counter the elspeth. My next turn I attacked with an animated reef and the reef mill trigger never went off. I am very upset and lost the match as it was game 3. I am on android.