Two cards, which are available as a pair of piles in the same Kingdom.
Yin (Action-Attack-Reaction)---(3)
+1 Card
Discard a Yang card. If you do, gain a Spoils from the Spoils-pile.
Each other player gains a Copper.
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When another player plays a Yang card,
you may set this aside from your hand.
If you do, then at the start of your next turn,
+1 Action and return this to your hand.
Yang (Action-Attack-Reaction-Looter)---(3)
+1 Action
Discard a Yin card. If you do, take a coin token.
Each other player gains a Ruins.
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When another player plays a Yin card,
you may set this aside from your hand.
If you do, then at the start of your next turn,
+1 Card and return this to your hand.