Dominion Throne Room Bridge. Dominion only first game. Adventurer bureaucrat chancellor. It allows you to play another action card from your hand twice as if you had a village and two copies of that action card.
Additional rules from the rulebook you pick another action card in your hand play it and play it again. Cellar market militia adventurer moat bank bureaucrat village chancellor contraband big money.
If you throne room a throne room you play an action doing it twice and then play another action and do it twice.
It is guaranteed to be able to buy out 9 10 provinces in a single turn enough to empty the stack in 2p and with a little help can even empty 9 10 colonies. Additional rules from the rulebook you pick another action card in your hand play it and play it again. Prince has to be set aside to do anything. A duration is not discarded from play until the cleanup phase of the last turn on which it does something usually the turn after the turn on which it is played.
