Spinerock Reef enters the battlefield tapped.
: Add to your mana pool. Spinerock Reef doesn't untap during your next untap step.
, , Sacrifice Spinerock Reef: Target player draws two cards, then discards two cards.
: Add 
to your mana pool. Spinerock Reef doesn't untap during your next untap step., , Sacrifice Spinerock Reef: Target player draws two cards, then discards two cards.
