The surprising stock market rally at the end of 2023 has investors seeking undervalued TSX dividend stocks for their self-directed Tax-Free Savings Account (TFSA) or Registered Retirement Savings Plan (RRSP) portfolios. Among the candidates is Enbridge (TSX:ENB), a giant in the North American energy infrastructure industry, with a market capitalization exceeding $100 billion. The company plays a crucial role in transporting approximately one-third of the oil produced in Canada and the United States, along with 20% of the natural gas consumed by American households and businesses. 

As of the latest data, Enbridge's stock trades near $49, showing an increase from $43 in October but remaining significantly below the 2022 peak of $59. Despite market fluctuations, Enbridge has demonstrated consistent dividend growth, recently raising its dividend by 3.1% for 2024. This marks the 29th consecutive annual dividend hike, reinforcing its appeal to income-focused investors. 

Another notable contender for investors seeking dividend stability is BCE (TSX:BCE), Canada's largest communications firm. BCE has a robust track record of dividend growth, consistently increasing its dividend by at least 5% annually for the past 15 years. With the majority of its revenue derived from core mobile and internet subscription services, BCE is viewed as a resilient stock even during economic downturns. The share price experienced a decline from $65 in May to below $50 in October but currently stands at approximately $54.50. Economists' expectations of a potential reduction in interest rates by the Bank of Canada in 2024 could lead to renewed interest in BCE. Despite the previous drop, BCE offers investors a solid 7.1% dividend yield. 

Bank of Nova Scotia (TSX:BNS) is also highlighted as a potential opportunity. While the bank has underperformed in recent years, a new CEO has initiated changes to improve returns. With a focus on growth opportunities in Canada, the United States, and Mexico, and a reduction in international businesses that previously struggled to meet shareholder expectations, Bank of Nova Scotia is undergoing strategic shifts. The current share price is around $63.50, down from $93 in early 2022. Although considered a contrarian pick with potential ongoing turbulence, the bank's dividend appears stable, offering investors a 6.7% yield. 

In summary, Enbridge, BCE, and Bank of Nova Scotia are deemed attractive options for investors seeking dividend-paying stocks with the potential for growth. Despite market fluctuations, these stocks present opportunities for those with cash to deploy in their TFSA or RRSP portfolios.