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.
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/ygo_placeholder_0c131753-aa08-4d2a-8351-8fd8ff6d8aac.png?v=1726763815)
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/ygo_placeholder_f2dab024-fe86-49b3-879a-bf0f3b9bd496.png?v=1727889750)
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/ygo_placeholder_db3a793a-b6e4-45fc-b38b-7a48023e885e.png?v=1728082605)
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/579851.jpg?v=1728492668)
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/ygo_placeholder_0c131753-aa08-4d2a-8351-8fd8ff6d8aac_large.png?v=1726763815)
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/ygo_placeholder_f2dab024-fe86-49b3-879a-bf0f3b9bd496_large.png?v=1727889750)
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/ygo_placeholder_db3a793a-b6e4-45fc-b38b-7a48023e885e_large.png?v=1728082605)
![Million-Century Ice Prison [MP24-EN377] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/files/579851_large.jpg?v=1728492668)
