Elfhame Cairns enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Elfhame Cairns: Add or to your mana pool.
: Elfhame Cairns becomes a 2/1 green and black Beast creature until end of turn. It's still a land.
: Add 
or 
to your mana pool. or to your mana pool.: Elfhame Cairns becomes a 2/1 green and black Beast creature until end of turn. It's still a land.
