When Dormant Ruins enters the battlefield, sacrifice it unless you pay 2 life.
: Add or to your mana pool.
: Add to your mana pool. Put Dormant Ruins on top of your library.
Sacrifice a land: Dormant Ruins deals 1 damage to target player.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Dormant Ruins on top of your library.
