Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Flying

{T}: Add one mana of any color.

At the beginning of your precombat main phase, remove all flood counters from Bounty of the Luxa. If no counters were removed this way, put a flood counter on Bounty of the Luxa and draw a card. Otherwise, add {C}{G}{U}.

({T}: Add {G} or {U}.)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Coral Atoll enters the battlefield tapped.

When Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand.

{T}: Add {C}{U}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Flash

Emerge {5}{U}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, tap up to four target permanents.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Add {G}{G}.

{T}: Add {G}.

Draw a card. You may put a land card from your hand onto the battlefield.

{T}: Add {G}{U}.

Trample

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Shroud (This creature can't be the target of spells or abilities.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Jungle Basin enters the battlefield tapped.

When Jungle Basin enters the battlefield, sacrifice it unless you return an untapped Forest you control to its owner's hand.

{T}: Add {C}{G}.

When Kiora's Dambreaker enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Untap another target permanent.

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

-1: Untap target permanent.

+1: Untap up to one target creature and up to one target land.

-2: Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard.

-8: You get an emblem with "Whenever a creature enters the battlefield under your control, you may have it fight target creature." Then create three 8/8 blue Octopus creature tokens.

Kukemssa Serpent can't attack unless defending player controls an Island.

{U}, Sacrifice an Island: Target land an opponent controls becomes an Island until end of turn.

When you control no Islands, sacrifice Kukemssa Serpent.

Enchant land

Enchanted land is an Island.

Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {G}.

Lumbering Falls enters the battlefield tapped.

{T}: Add {G} or {U}.

{2}{G}{U}: Lumbering Falls becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land.

When Man-o'-War enters the battlefield, return target creature to its owner's hand.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}{G}.

Counter target spell. At the beginning of your next precombat main phase, add X mana in any combination of colors, where X is that spell's mana value.

Trample

Polar Kraken enters the battlefield tapped.

Cumulative upkeep--Sacrifice a land. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

{4}, {T}: You may put a creature card from your hand onto the battlefield.

Cycling {2} ({2}, Discard this card: Draw a card.)

When Scourge of Fleets enters the battlefield, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Sealock Monster can't attack unless defending player controls an Island.

{5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types.

Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

{T}: Add {G}{U}.

Flying, trample

Shroud (This creature can't be the target of spells or abilities.)

{U}: Regenerate Spiny Starfish.

At the beginning of each end step, if Spiny Starfish regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

All lands are Islands in addition to their other types.

Creatures without flying or islandwalk can't attack.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Cycling {U} ({U}, Discard this card: Draw a card.)

({T}: Add {G} or {U}.)

Tangled Islet enters the battlefield tapped.

Whenever Thing from the Deep attacks, sacrifice it unless you sacrifice an Island.

({T}: Add {G} or {U}.)

Draw three cards. You may play an additional land this turn.

When an opponent casts a spell, if Veiled Serpent is an enchantment, Veiled Serpent becomes a 4/4 Serpent creature with "This creature can't attack unless defending player controls an Island."

Cycling {2} ({2}, Discard this card: Draw a card.)

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

{T}: Add {G}.

Ferocious -- {T}: Add {G}{G}. Activate only if you control a creature with power 4 or greater.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

When Wood Elves enters the battlefield, search your library for a Forest card, put that card onto the battlefield, then shuffle.