If matching card in opponent's hand is revealed, effect based on matching card cost and played card rarity (bricks only cost - raise tower (C - 2, U - 6, R - 18), gems only cost - raise lowest token counter (C - 10, U - 30, R - 90), recruits only cost - raise wall (C - 3, U - 9, R - 27), mixed cost - raise stock (C - 1, U - 3, R - 9), zero cost - no effect). After optional effect opponent's cards are revealed based on played card rarity (C - matching card and its adjacent cards, U - matching card and its adjacent cards and their adjacent cards, R - whole hand). Optional effect will always trigger in a game with disabled Hidden cards mode.