At the beginning of your end step, if you didn't cast any spells this turn, Caldera Crypt deals 1 damage to you.

When Caldera Crypt enters the battlefield, put a land you control on the bottom of its owner's library.

: Add  to your mana pool.

Morph (You may cast this face down as a 2/2 creature for . Turn it face up any time for its morph cost.)