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Tiara is a Treasure card from the second edition of Prosperity. It provides +Buy, allows you to double-play another Treasure, and allows you to top-deck cards you gain, potentially getting them into your hand sooner.
 Official FAQ
- If you gain multiple cards later in the turn after playing Tiara, you may put any or all of them onto your deck.
- This applies both to cards gained due to being bought, and to cards gained other ways, such as with War Chest.
- If you play a Tiara with a Tiara, you will be able to play two Treasures from your hand twice each - you don't play one Treasure four times.
 English versions
|Prosperity (Second Edition)||June 2022|
 Other language versions
Royal Seal has a great ability, with too high of an opportunity cost. It plays well when there's really nothing better for .
Tiara has the Royal Seal ability, and also is a Throne Room for Treasures. And hey, +1 Buy. It really wants you to like it.
 Secret History
 Further development comments
Tiara: Treasure,, worth
Choose one: +1 Buy and you may play a Treasure from your hand twice; or set this aside, and put it into your hand at end of turn.You can keep setting them aside, and automatically ramp up your Magnates. This turned out to be a problem.