Million-Century Ice Prison – (Duelist Nexus) – (DUNE-EN066) – (Common)

During the Main Phase, if a monster(s) you control leaves the field by an opponent’s monster effect, except by being destroyed: Activate 1 of these effects;
● End the Main Phase.
● Skip Main Phase 1 of your opponent’s next turn.
You can only activate 1 “Million-Century Ice Prison” per turn.