Timberline Caldera enters the battlefield tapped.
: Add or to your mana pool.
Put Timberline Caldera on top of your library: Add to your mana pool.
: Timberline Caldera becomes a 2/2 red Dwarf creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.
to your mana pool. : Timberline Caldera becomes a 2/2 red Dwarf creature until end of turn. It's still a land.
