When Dormant Coliseum enters the battlefield, you lose 2 life unless you reveal a Shaman card from your hand.
: Add or to your mana pool.
Put Dormant Coliseum on top of your library: Add to your mana pool.
, : Shuffle your library.
: Add 
or 
to your mana pool.
to your mana pool. , : Shuffle your library.
