Answer:
Born of earth, but with none of its strength. Molded by flame, but with none of its power. Shaped
Come up and let us go. Go down and here we stay.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
A little house full of meat, no door to go in and eat.
My first is a creature whose breeding is unclear. My second, a price you must pay. My whole can be found in the river of Time and refers to events of today.
Often cooked as fillet, this meat comes from an animal that swims underwater.