Dominion Throne Room Duration. In all other cases the duration will stay in play until the clean up phase of your next turn. If you use throne room to play band of misfits as a duration throne room will stay in play. First band of misfits will play the duration but the second time it will be throne room playing the duration and causing it to set up a future ability once more that turn causing the throne room to stay in play that turn.
This is similar to throne room but plays the action three times rather than twice. In all other cases the duration will stay in play until the clean up phase of your next turn.
When you use a throne room variant on a duration it stays in play even if multiplying the duration s effect is not meaningful such as throning a tactician or throning an archive with 3 or fewer cards remaining in your deck.
This is good if you have a way to guarantee that this extra turn is still pretty good even with only three cards but weak if you end up having mediocre extra turns. You completely resolve playing the action the first time before playing it the second time. In all other cases the duration will stay in play until the clean up phase of your next turn. This is good if you have a way to guarantee that this extra turn is still pretty good even with only three cards but weak if you end up having mediocre extra turns.