(Timberland Forge isn't a spell.)
Timberland Forge enters the battlefield tapped unless you reveal a monocolored card from your hand.
, : Scry 2.
: Add or to your mana pool.
Sacrifice Timberland Forge: Add or to your mana pool.
, 
: Scry 2.: Add 
or 
to your mana pool. or to your mana pool.
