#include <iostream>
#include "CoachT.h"
#include "PrizeT.h"

using namespace std;

void ProcessCase(void);

int main() {
 
    int cases;
    int i;

    cin >> cases;

    for(i =0; i < cases; i++) {
        ProcessCase();
    }
    

    return  0;
}

PrizeT ReadPrize() {
   int j;
   int ticketCount, ticket, value;

   PrizeT prize;

   cin >> ticketCount;

   for (j = 0; j < ticketCount;  j++) {
       cin >> ticket;
       prize.AddSticker(ticket);
   }
   cin >> value;
   prize.Prize(value);

   return prize;

}

void ProcessCase(void){
    int prizeTypes, stickerCount;
    int i;
    int value;

    cin >> prizeTypes >> stickerCount;

    CoachT coach(stickerCount+1);

    // add the prizes
    for (i = 0 ; i < prizeTypes; i++) {
        coach.AddPrize(ReadPrize());
    }

    for( i = 0; i < stickerCount; i++) {
       cin >> value;
       coach.AddSticker(i+1, value);
    }

    cout << coach.CalculateWinnings() << endl;

    return;
}