(: Add or to your mana pool.)
When Keldon Moor enters the battlefield, return a land you control to its owner's hand.
, : Target red creature gets +1/+0 until end of turn.
, Sacrifice a Swamp: Add to your mana pool.
: Add 
or 
to your mana pool.), : Target red creature gets +1/+0 until end of turn., Sacrifice a Swamp: Add to your mana pool.
