(: Add or to your mana pool.)
When Arid Hollows enters the battlefield, return a land you control to its owner's hand.
: Arid Hollows becomes a 2/1 white and green Soldier Citizen creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Arid Hollows becomes a 2/1 white and green Soldier Citizen creature until end of turn. It's still a land.
