Merfolk Timberland enters the battlefield tapped unless you sacrifice an artifact land.
: Add or to your mana pool.
: Add to your mana pool. Put Merfolk Timberland on top of your library.
: Regenerate Merfolk Timberland.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Merfolk Timberland on top of your library.: Regenerate Merfolk Timberland.
