Abandoned Knoll enters the battlefield tapped unless you control two or more creatures.
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
, Sacrifice Abandoned Knoll: Add to your mana pool.
: Add 
to your mana pool.: Add 
or 
to your mana pool. Each opponent gains 1 life., Sacrifice Abandoned Knoll: Add 
to your mana pool.
