Waterveil-wood enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Waterveil-wood: Add or to your mana pool.
: Waterveil-wood becomes a 2/1 blue and green Merfolk creature until end of turn. It's still a land.
: Add 
or 
to your mana pool. or to your mana pool.: Waterveil-wood becomes a 2/1 blue and green Merfolk creature until end of turn. It's still a land.
