2025-04-04You pay all costs and follow all timing rules for cards played this way. For example, if the exiled card is a land card, you may play it only during your main phase while the stack is empty.
2025-04-04You must already control a Plains or Island as Cori Mountain Monastery enters for it to enter untapped. If it enters at the same time as a Plains or Island when you control no other Plains or Islands, it will enter tapped.