At the beginning of your upkeep, Graven Swamp deals 1 damage to target creature you control.
: Add or to your mana pool.
Put Graven Swamp on top of your library: Add to your mana pool.
, : Add one mana of any color to your mana pool.
: Add 
or 
to your mana pool.
to your mana pool. , : Add one mana of any color to your mana pool.
