(: Add or to your mana pool.)
Swamp Key enters the battlefield tapped.
: Swamp Key becomes a 1/1 blue and black Skeleton creature with flying until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Swamp Key becomes a 1/1 blue and black Skeleton creature with flying until end of turn. It's still a land.
