Steppe Forge enters the battlefield tapped unless you pay .
: Add or to your mana pool.
Sacrifice Steppe Forge: Add or to your mana pool.
: Steppe Forge becomes a 2/1 white and red Bird Angel creature until end of turn. It's still a land.
.
: Add 
or 
to your mana pool. or to your mana pool.: Steppe Forge becomes a 2/1 white and red Bird Angel creature until end of turn. It's still a land.
