The Hobbit Eternal

Sorcery

Draw three cards.
Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Lórien Revealed

Teenage Mutant Ninja Turtles

Legendary Creature — Insect Mutant Scientist

Flying
When Stockman enters, draw a card, then discard a card.
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Stockman, Mad Fly-entist

Avatar: The Last Airbender

Creature — Fish

Waterbend {3}: This creature can't be blocked this turn. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.)
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Giant Koi

Final Fantasy

Creature — Elemental Ooze

When this creature enters, tap target artifact or creature an opponent controls. Put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Ice Flan

Duskmourn: House of Horror

Creature — Shark

Vigilance
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Daggermaw Megalodon

The Lost Caverns of Ixalan

Creature — Dinosaur

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Marauding Brinefang

Tales of Middle-earth Commander

Legendary Creature — Kraken

When Monstrosity of the Lake enters, you may pay {5}. If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Monstrosity of the Lake

March of the Machine

Creature — Octopus

Whenever this creature attacks, you may tap two other untapped creatures you control. If you do, this creature can't be blocked this turn.
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Tidal Terror

The List

Creature — Bird Soldier Ranger

Flying
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Shoreline Ranger

Duel Decks: Ajani vs. Nicol Bolas

Creature — Zombie

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Islandcycling {2}, swampcycling {2} ({2}, Discard this card: Search your library for an Island or Swamp card, reveal it, put it into your hand, then shuffle.)

Jhessian Zombies

Alara Reborn

Artifact Creature — Beast

Defender
Plainscycling {2}, islandcycling {2} ({2}, Discard this card: Search your library for a Plains or Island card, reveal it, put it into your hand, then shuffle.)