(: Add or to your mana pool.)
Elfhame Debris enters the battlefield tapped.
: Elfhame Debris becomes a 2/1 green and blue Snake creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Elfhame Debris becomes a 2/1 green and blue Snake creature until end of turn. It's still a land.
