Molten Depths

{1}, {t}: Put a rock counter on Molten Depths.
{r}, {t}, Remove a rock counter from Molten
Depths: Put a magma counter on it.
{1}, {t}, Remove a magma counter from Molten
Depths: Put a lava counter on it.
{r}, {t}, Remove a lava counter from Molten
Depths: It deals 3 damage to any target.