I'm currently thinking about a mechanic that can be maybe fun, but I don't get a chance to playtest it cause I don't play Dominion IRL.
So, here comes the Weather.
Weather is a type of cards that are all different and have only one copy of each. It has a pile but looks more like the Event. At the start of the game if you randomized cards and got the Weather cards you put them on the table with only top opened and it doesn't take place as 1 of 10 kingdom cards. When any Weather is on the table opened it immediately work and affects all the players unless stated. The ending of the Weather pile doesn't affect three-piling. Weather has its own discard pile, so when you discard one, you don't put it in your deck.
Here are my 15 Weather cards. Some of them don't have a name yet, I'm no good at it.
Type Weather
All Action cards cost $1 less, all Victory cards cost $2 more
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If any player played 5 or more action cards on their turn, discard this and open the next Weather card after clean-up
Type Weather
Blood Rain
All attack cards do their attack part twice
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If any player got unaffected by any attack on their turn, discard this and open the next Weather card after clean-up
Type Weather
All cards cost one less (but not less than zero)
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If any player bought 3 or more cards on their turn, discard this and open the next Weather card after clean-up
Type Weather
Every player takes his -1 Card Token before every turn
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If any player ends his turn with 2 or more unused actions (not action cards) or 3 or more unused $, discard this and open the next Weather card after clean-up
Type Weather
At the start of the turn, every player reveals the top card of his deck. If it is Curse, Victory or Shelter card they put it into their hand. Else, discard it.
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If any player gained a card costing 2 or less, discard this and open the next Weather card after clean-up
Type Weather
Still
(Nothing here)
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If any player gained a victory card on their turn, discard this and open the next Weather card after clean-up
Type Weather
Every player trashes a card at the start of the clean-up
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If any player trashed a card costing 3 or more on their turn, discard this and open the next Weather card after clean-up
Type Weather
Victory cards cant be bought.
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If any player had $10 or more in the end of their Buy phase, discard this and open the next Weather card after clean-up
Type Weather
If any player played Silver on his turn, they cant buy Treasure cards
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If at least one pile is empty, discard this and open the next Weather card after clean-up
Type Weather
At the start of their turn every player may reveal their hand; if it has 3 or more Victory cards: Discard your hand, Draw 6 cards
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If any player gains a victory cards costing 8 or more on their turn, discard this and open the next Weather card after clean-up.
Type Weather
At the start of their turn, every player discards a card. If it is an Action card, Draw a card.
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If any player shuffles his deck other than in Clean-Up phase discard this and open the next Weather card after clean-up.
Type Weather
No player can move his tokens, take VP chips or coin tokens.
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If any player didnt buy cards this turn, discard this and open the next Weather card after clean-up.
Type Weather
If any player trashes a card, it is set aside. Next turn they put it into their hand.
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If any player has exactly 0 actions (not action cards), buys and coins in the end of their buy phase, discard this and open the next Weather card after clean-up.
Type Weather
In the start of their turn any player names a card and look at the top card of their deck. If it is the named card trash it and gain a card costing exactly the same cost. Every other player discards the named card or reveal his hand with no such cards.
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If any player has 5 differently named cards in play in the end of the buy phase, discard this and open the next Weather card after clean-up.
What do you guys think about idea in general and cards themselves? What can be upgraded here?