For 10 points, name these earthbound forms of the Hindu deity who is often considered the "preserver" god.
The list of them sometimes includes Balarama, and one of them saves Prahlada from his father. Another, named Vamana, covers the three worlds with three steps, while another told Manu of an impending flood and dragged a large boat to safety. Matsya, the boar Varaha, and the white horse-riding Kalki are members of this group along with one who slew Ravana and rescued Sita. For 10 points, name these earthbound forms of the Hindu deity who is often considered the "preserver" god.
The list of them sometimes includes Balarama, and one of them saves Prahlada from his father.
{avatars} of Vishnu [prompt on equivalents that do not use the word avatar]