System.InvalidOperationException: Коллекция была изменена; невозможно выполнить операцию перечисления.
   в System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
   в System.Collections.Generic.List`1.Enumerator.MoveNextRare()
   в System.Collections.Generic.List`1.Enumerator.MoveNext()
   в HREngine.Bots.Playfield.triggerACardWillBePlayed(Handcard hc, Boolean own, Minion target, Int32 choice)
   в HREngine.Bots.Playfield.playACard(Handcard hc, Minion target, Int32 position, Int32 choice, Int32 penality)
   в HREngine.Bots.Playfield.doAction(Action aa)
   в HREngine.Bots.MiniSimulatorNextTurn.doallmoves(Playfield playf, Boolean isLethalCheck, Boolean print)
   в HREngine.Bots.EnemyTurnSimulator.simulateEnemysTurn(Playfield rootfield, Boolean simulateTwoTurns, Boolean playaround, Boolean print, Int32 pprob, Int32 pprob2)
   в HREngine.Bots.MiniSimulator.dirtyWorkthread(Object to)
   в System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   в System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   в System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   в System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   в System.Threading.ThreadHelper.ThreadStart(Object obj)