#include <algorithm>
#include <climits>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <string>
#include <vector>

using namespace std;

map<long long, int> factorization(long long N) {
	map<long long, int> re;
	while (true) {
		if (N % 2 == 0) {
			N /= 2;
			re[2]++;
			if (N == 1) break;
		}
		else {
			break;
		}
	}
	if (N > 1) re[N]++;
	for (int loop = 3; (long long)loop * (long long)loop <= N; loop += 2) {
		if (N % loop == 0) {
			N /= loop;
			re[loop]++;
			loop -= 2;
			if (N == 1) break;
		}
	}
	if (N > 1) re[N]++;
	return re;
}

struct Memo {
	long long fact = 0;
	long long fact_inv = 0;
	long long inv = 0;
};
class Combination1 {
private:
	int m_module = 1000000007;
	vector<struct Memo> memo;
public:
	int calculate(int, int);
	Combination1(int, int);
};
int Combination1::calculate(int n, int k) {
	return ((memo[n].fact * memo[k].fact_inv) % m_module * memo[n - k].fact_inv) % m_module;
}
Combination1::Combination1(int memo_max, int module = 1000000007) {
	m_module = module;
	memo.push_back({ 1,1,0 });
	memo.push_back({ 1,1,1 });
	for (int loop = 2; loop <= memo_max; loop++) {
		struct Memo temp;
		temp.fact = (memo[loop - 1].fact * loop) % m_module;
		temp.inv = m_module - (memo[m_module % loop].inv * int(m_module / loop)) % m_module;
		temp.fact_inv = (memo[loop - 1].fact_inv * temp.inv) % m_module;
		memo.push_back(temp);
	}
}

class Combination2 {
private:
	int size = 0;
	bool add(int);
public:
	vector<int> sequence;
	bool next_combination(void);
	Combination2(int, int);
};
bool Combination2::add(int index) {
	if (index == (int)sequence.size() - 1 && sequence[index] == size - 1
		|| index < (int)sequence.size() - 1 && sequence[index] == sequence[index + 1] - 1) {
		if (index == 0) {
			return false;
		}
		else {
			bool re = add(index - 1);
			sequence[index] = sequence[index - 1] + 1;
			return re;
		}
	}
	else {
		sequence[index]++;
		return true;
	}
}
bool Combination2::next_combination(void) {
	return (sequence.size() == 0) ? false : add(sequence.size() - 1);
}
Combination2::Combination2(int n, int r) {
	size = n;
	for (int loop = 0; loop < r; loop++) sequence.push_back(loop);
	return;
}

void A_Odds_of_Oddness(void) {

	int N; cin >> N;
	
	cout << setprecision(20) << (double)((N + N % 2) / 2) / (double)N << flush;
	return;
}

void B_Roller_Coaster(void) {

	int N, K; cin >> N >> K;
	vector<int>h(N); for (int& it : h) cin >> it;

	sort(h.begin(), h.end());
	for (int index = 0; index < N; index++) {
		if (h[index] >= K) {
			cout << N - index << flush;
			return;
		}
	}
	cout << 0 << flush;
	return;
}

void C_Go_to_School(void) {

	int N; cin >> N;
	struct Student {
		int index;
		int A;
		bool operator<(const Student& right) { return (A < right.A); }
	};
	vector<Student>student(N); 
	for (int index = 0; index < N;index++) {
		student[index].index = index + 1;
		cin >> student[index].A;
	}

	sort(student.begin(), student.end());
	
	for (Student he : student) cout << he.index << " ";
	cout << flush;
	return;
}

void D_Disjoint_Set_of_Common_Divisors(void) {

	long long A, B; cin >> A >> B;
	
	map<long long, int>AMap, BMap;
	AMap = factorization(A);
	BMap = factorization(B);
	long long counter = 0;
	for (auto loop = AMap.begin(); loop != AMap.end(); loop++) {
		if (BMap[loop->first] > 0) counter++;
	}

	cout << counter + 1 << flush;
	return;
}

void E_Get_Everything(void) {
	
	int N, M; cin >> N >> M;
	struct Key { int price = 0; int canOpen = 0; };
	vector<Key> key(M);
	for (struct Key& it :key) {
		cin >> it.price;
		int b; cin >> b;
		for (int loop = 0; loop < b; loop++) {
			int c; cin >> c;
			it.canOpen += (int)pow(2, c - 1);
		}
	}

	vector<int> dp((int)pow(2, N));
	dp[0] = 0;
	for (int opened = 1; opened < (int)dp.size(); opened++) {
		if ((opened & key[0].canOpen) == opened)	dp[opened] = key[0].price;
		else										dp[opened] = -1;
	}
	for (int index = 1; index < M; index++) {
		for (int opened = (int)dp.size() - 1; opened > 0; opened--) {
			int target = (opened & ~key[index].canOpen);
			if (dp[target] != -1) {
				if (dp[opened] == -1)	dp[opened] = dp[target] + key[index].price;
				else					dp[opened] = min(dp[opened], dp[target] + key[index].price);
			}
		}
	}

	cout << dp[dp.size() - 1] << flush;
	return;
}

int main(void) {

	//A_Odds_of_Oddness();
	//B_Roller_Coaster();
	//C_Go_to_School();
	//D_Disjoint_Set_of_Common_Divisors();
	E_Get_Everything();
	return 0;
}


Measured memory_bytes: 384