(: Add or to your mana pool.)
When Unstable Basin enters the battlefield, you lose 1 life unless you reveal an artifact land card from your hand.
: Unstable Basin becomes a 2/1 red and green Ogre creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Unstable Basin becomes a 2/1 red and green Ogre creature until end of turn. It's still a land.
