In Pure Land practice, there are several mantras and prayers that are commonly used to invoke the blessings of Amitabha Buddha and aid in the attainment of rebirth in his realm. These mantras and prayers are considered to be powerful tools for cultivating devotion and connecting with the Pure Land teachings.

One of the most well-known mantras in Pure Land practice is the Nianfo mantra, which is also known as the Buddha's name mantra. This mantra consists of the phrase "Namo Amituofo" in Chinese, or "Namo Amida Butsu" in Japanese, and it is repeated as a form of meditation and devotion. The mantra is believed to have the power to purify the mind and create a strong connection with Amitabha Buddha, leading to rebirth in his Pure Land.

Another important mantra in Pure Land practice is the Amitabha mantra, which is also known as the six-syllable mantra. This mantra consists of the six syllables "Om Ami Dewa Hrih," and it is believed to have the power to remove obstacles and purify negative karma. Reciting this mantra is considered to be a means of accumulating merit and creating a strong connection with Amitabha Buddha.

In addition to mantras, there are also several prayers that are commonly used in Pure Land practice. One of the most popular prayers is the Amitabha Sutra, which is a text that describes the Pure Land and the benefits of rebirth there. This sutra is often recited as a form of devotion and aspiration to be reborn in the Pure Land.

Another important prayer in Pure Land practice is the Three Provisions Prayer, which is a prayer that expresses one's reliance on Amitabha Buddha for guidance, protection, and support on the path to rebirth in the Pure Land. This prayer is often recited as a reminder of the three essential qualities needed for rebirth in the Pure Land: faith, aspiration, and practice.

Overall, the mantras and prayers used in Pure Land practice serve as powerful tools for cultivating devotion, purifying the mind, and creating a strong connection with Amitabha Buddha. They are considered to be essential practices for those seeking rebirth in the Pure Land and can be recited regularly as a means of deepening one's spiritual practice.