(: Add or to your mana pool.)
At the beginning of your end step, if you didn't cast any spells this turn, Spinerock Grove deals 1 damage to you.
: Put a 1/1 red Beast Giant creature token onto the battlefield.
, : Regenerate target artifact.
: Add 
or 
to your mana pool.): Put a 1/1 red Beast Giant creature token onto the battlefield.
, : Regenerate target artifact.
