Sphere Of Clairvoyance

{1}{u},{t}: Target opponent must say out loud the
course of action of the creatures under his control
for his next combat phase, all creatures that player
controls gain shroud until your next untap step.
If that player doesn't follow the established course of action, all creatures under his control and Sphere Of Clairvoyance are destroyed and can't be regenerated.
"They called me a madman..."