Element of Tide

+4: Target land becomes an Island in addition to its other types. Create a 2/3 blue Merfolk creature token with Islandwalk.
0: You get an emblem: Whenever an island you control is destroyed, you gain 10 life.
-6: You get an emblem: Whenever a Merfolk creature you control attacks, you may draw a card. You have no maximum hand size.