Steppe Underground enters the battlefield tapped.
: Add or to your mana pool.
: Add to your mana pool. Put Steppe Underground on top of your library.
, , Sacrifice Steppe Underground: Destroy target Bird.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Steppe Underground on top of your library., , Sacrifice Steppe Underground: Destroy target Bird.
