(: Add or to your mana pool.)
Underground Aqueduct enters the battlefield tapped unless you pay .
: Underground Aqueduct becomes a 2/1 black and blue Skeleton creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.).: Underground Aqueduct becomes a 2/1 black and blue Skeleton creature until end of turn. It's still a land.
