Debris Cavern enters the battlefield tapped.
, : Add , or to your mana pool. Debris Cavern deals 1 damage to you.
: Debris Cavern becomes a 2/1 blue and black Shapeshifter creature until end of turn. It's still a land.
, 
: Add 
, 
or to your mana pool. Debris Cavern deals 1 damage to you.: Debris Cavern becomes a 2/1 blue and black Shapeshifter creature until end of turn. It's still a land.
