(: Add or to your mana pool.)
Waterveil Clump enters the battlefield tapped.
: Waterveil Clump becomes a 2/1 blue and green Faerie creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Waterveil Clump becomes a 2/1 blue and green Faerie creature until end of turn. It's still a land.
