Dragonskull Aqueduct enters the battlefield tapped unless you control two or more Shapeshifters.
: Add
to your mana pool. Activate this ability only if you control a Swamp.
: Add
to your mana pool. Activate this ability only if you control an Island.
: Dragonskull Aqueduct becomes a 2/2 black Wizard Cleric creature until end of turn. It's still a land.