Kiora, the Roiling Tide

+2: Create two 1/1 blue Merfolk creature tokens with, as long as the defending player controls an Island, this creature can't be blocked.
0: Look at the top three cards of your library, you may put a land from them onto the battlefield, the rest on the bottom of your library.
-12: Get an emblem with "Whenever an opponent casts a blue/green spell, counter that spell and create a 8/8 blue Octopus creature token."