Crystal Castle

At the beginning of your upkeep, or end step,
transform Crystal Castle if you control a Skeksis
or Mystic.
{t}: Add {w}{w}. You gain 2 life.
{t}: Crystal Castle doesn't untap during your
next four untap steps. Choose one —
• Search your library for a card named Raunip,
put it in your hand, then shuffle.
• Search your library for a card named Shatter
the Crystal, put it in your hand, then shuffle.