Keldon Den enters the battlefield tapped.
: Add or to your mana pool.
: Add to your mana pool. Put Keldon Den on top of your library.
, Sacrifice Keldon Den: Keldon Den deals 1 damage to target creature or player.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Keldon Den on top of your library., Sacrifice Keldon Den: Keldon Den deals 1 damage to target creature or player.
