Reef Steppe enters the battlefield tapped unless you control one or more artifacts.
: Add or to your mana pool.
: Add to your mana pool. Put Reef Steppe on top of your library.
, Sacrifice Reef Steppe: Add to your mana pool.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Reef Steppe on top of your library., Sacrifice Reef Steppe: Add to your mana pool.
