(: Add or to your mana pool.)
Mystic Plains enters the battlefield tapped unless you sacrifice an artifact.
: Mystic Plains becomes a 2/1 blue and white Faerie Crab creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Mystic Plains becomes a 2/1 blue and white Faerie Crab creature until end of turn. It's still a land.
