Kyrala, Queen of Monsters

{u}{u}{t}: Sacrifice an Island: Search your library
for a Octopus, Squid, Whale, Leviathan, Serpent
or Kraken card with converted mana cost less
than or equal to the number of islands you
control. Put that card into your hand then
shuffle your library.
Whenever you sacrifice an island, put a +1+1
counter on each Octopus, Squid, Whale,
Leviathan, Serpent and Kraken you control.
They gain islandwalk until end of turn.