Jace, Tidal Overseer

+1: Whenever a creature you control deals combat damage to a player this turn, that creature explores.
-2: Create a 2/2 blue Fish creature token with islandwalk.
-6: You get an emblem with "At the beginning of your upkeep, create a token that's a copy of Jace, Tidal Overseer, except it's not legendary."