(
: Add
or
to your mana pool.)
At the beginning of your end step, if you didn't cast any spells this turn, Rootwater Ravine deals 1 damage to you.

,
: Put a 1/1 blue Fish Merfolk creature token with flying onto the battlefield.
,
: Target land becomes a 3/3 red Troll creature until end of turn. It's still a land.