Judge/Courthouse Reaction - Victory Split Pile (Supply 12)
This pile starts the game with 6 copies of Judge on top, then 6 copies of Courthouse.
For a 2-player game, use only 4 of each card. Only the top card of the pile can be gained or bought.
Judge Reaction,
When you gain this, set it aside.
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When the game ends, trash all Judges from the Supply and each player with any Judges set aside takes one extra turn (continuing turn order.)
Courthouse Victory,
7
This is probably my favorite of the versions. No awkward wording needed to prevent users from gaining infinite turns. Yes, it has the problem that there's not a good reason to buy multiple judges... actually, why does it gain to set-aside land? Why not make it a regular action, that you have to play to set it aside? I think that gives multiple benefits:
1) Eliminates weird stuff when gaining with Armory or using Watchtower reactions.
2) Gives a reason to buy more than 1. Not a big reason, but if you think that the game will end before your next shuffle, it is important to ensure that you actually draw this before the game ends, so you might buy 2 of them to increase your chances.
3) Makes it a more interesting decision whether to buy it or not, and when to buy it. I don't like the idea of just buying one on the turn that you end the game in order to get an extra turn right away.
Also, one thing I disagree with is the randomizer card and rules. For all other multi-type piles, the randomizer matches the top card. So the randomizer should be just "reaction" (or action-reaction if you do it that way). And the pile should contain 10 cards, because it is an action supply pile. There's even a specific precedent of a pile containing a victory card but not being treated as a victory pile, in Knights.
*Edit* In terms of the action-reaction option.. if you're worried about confusion about what happens when you play a Judge during your post-game turn (though I think it should be clear that the game has already ended and won't end again after that turn), then simply add "if the game has not ended, set this aside".