Marana, The Silent Caller

+3: Put a flood counter on target land, then you gain 2 life. Lands with flood counters on them become Islands in addition to their other types.
-5: You gain an emblem with "whenever a Kraken, Leviathan, Whale, Serpent, or Octopus deals damage, put a flood counter on target land."
-14: Create X 6/6 blue Serpent creature tokens, where X is the number of flood counters on the battlefield.