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

: Add  to your mana pool. Activate this ability only if you control a Mountain.

: Add  to your mana pool. Activate this ability only if you control a Swamp.

: Spinerock Barrens becomes a 2/1 red and black Elemental creature until end of turn. It's still a land.