Timberline Den enters the battlefield tapped unless you pay .
: Add or to your mana pool.
: Timberline Den becomes a 2/1 green and white Bear creature until end of turn. It's still a land.
.
: Add 
or 
to your mana pool.: Timberline Den becomes a 2/1 green and white Bear creature until end of turn. It's still a land.
