The lonely one

Protection from creatures
Cannot be paired with soulbond
{t}: Destroy target Cephalid, Crab, Crocodile,
Fish, Frog, Hippo, Kraken, Leviathan, Merfolk,
Nautilus, Octopus, Otter, Oyster, Serpent, Siren, Shark, Sponge, Squid, Starfish, Tentacle,
Trilobite, Turtle, Walrus, or Whale creature