Rootwater Hollow enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Rootwater Hollow: Add or to your mana pool.
: Rootwater Hollow becomes a 2/2 blue Wizard creature until end of turn. It's still a land.
: Add 
or 
to your mana pool. or to your mana pool.
: Rootwater Hollow becomes a 2/2 blue Wizard creature until end of turn. It's still a land.
