(: Add or to your mana pool.)
At the beginning of your end step, if you didn't cast any spells this turn, Skeletal Veldt deals 1 damage to you.
, Sacrifice a Swamp: Add to your mana pool.
, : You gain 1 life.
: Add 
or 
to your mana pool.), Sacrifice a Swamp: Add to your mana pool.
, : You gain 1 life.
