At the beginning of your end step, if you didn't cast any spells this turn, Waterveil Flagstones deals 1 damage to you.
, Pay 1 life: Add
or
to your mana pool.
,
, Sacrifice Waterveil Flagstones: Draw a card.
: Waterveil Flagstones becomes a 2/2 blue Fish creature until end of turn. It's still a land.