Graven Swamp enters the battlefield tapped.
: Add to your mana pool. Return Graven Swamp to its owner's hand.
: Graven Swamp becomes a 1/1 black and red Shaman creature with first strike until end of turn. It's still a land.
: Add 
to your mana pool. Return Graven Swamp to its owner's hand.
: Graven Swamp becomes a 1/1 black and red Shaman creature with first strike until end of turn. It's still a land.
