Rootbound Knoll enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Rootbound Knoll: Add or to your mana pool.
, : Target Elemental gets +2/+0 until end of turn.
: Add 
or 
to your mana pool. or to your mana pool.
, : Target Elemental gets +2/+0 until end of turn.
