Annul | Instant |  | Counter target artifact or enchantment spell. | Christine Choi
                
                        
                    Aqueous Form | Enchantment | Aura | Enchant creature
Enchanted creature can't be blocked.
Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Slawomir Maniak
                
                                    1.5 LSV
                        
                    Artisan of Forms | Creature | Human Wizard | Heroic — Whenever you cast a spell that targets Artisan of Forms, you may have Artisan of Forms become a copy of target creature, except it has this ability. | Min Yum
                
                                    2 LSV
                        
                    Benthic Giant | Creature | Giant | Hexproof (This creature can't be the target of spells or abilities your opponents control.) | Jaime Jones
                
                        
                    Bident of Thassa | Legendary Enchantment Artifact |  | Whenever a creature you control deals combat damage to a player, you may draw a card.
{1}{U}, {T}: Creatures your opponents control attack this turn if able. | Yeong-Hao Han
                
                                    4 LSV
                        
                    Breaching Hippocamp | Creature | Horse Fish | Flash (You may cast this spell any time you could cast an instant.)
When Breaching Hippocamp enters the battlefield, untap another target creature you control. | Christopher Burdett
                
                        
                    Coastline Chimera | Creature | Chimera | Flying
{1}{W}: Coastline Chimera can block an additional creature this turn. | Dan Scott
                
                        
                    Crackling Triton | Creature | Merfolk Wizard | {2}{R}, Sacrifice Crackling Triton: It deals 2 damage to any target. | Greg Staples
                
                        
                    Curse of the Swine | Sorcery |  | Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token. | James Ryman
                
                        
                    Dissolve | Instant |  | Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Wesley Burt
                
                        
                    Fate Foretold | Enchantment | Aura | Enchant creature
When Fate Foretold enters the battlefield, draw a card.
When enchanted creature dies, its controller draws a card. | Dan Scott
                
                        
                    Gainsay | Instant |  | Counter target blue spell. | Clint Cearley
                
                        
                    Griptide | Instant |  | Put target creature on top of its owner's library. | Adam Paquette
                
                        
                    Horizon Scholar | Creature | Sphinx | Flying
When Horizon Scholar enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Karl Kopinski
                
                        
                    Lost in a Labyrinth | Instant |  | Target creature gets -3/-0 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Winona Nelson
                
                        
                    Master of Waves | Creature | Merfolk Wizard | Protection from red
Elemental creatures you control get +1/+1.
When Master of Waves enters the battlefield, create a number of 1/0 blue Elemental creature tokens equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) | Karl Kopinski
                
                                    4 LSV
                        
                    Meletis Charlatan | Creature | Human Wizard | {2}{U}, {T}: The controller of target instant or sorcery spell copies it. That player may choose new targets for the copy. | Jason A. Engle
                
                        
                    Mnemonic Wall | Creature | Wall | Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand. | Trevor Claxton
                
                        
                    Nimbus Naiad | Enchantment Creature | Nymph | Bestow {4}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying
Enchanted creature gets +2/+2 and has flying. | David Palumbo
                
                                    2 LSV
                        
                    Omenspeaker | Creature | Human Wizard | When Omenspeaker enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Dallas Williams
                
                        
                    Ordeal of Thassa | Enchantment | Aura | Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Thassa.
When you sacrifice Ordeal of Thassa, draw two cards. | Howard Lyon
                
                        
                    Prescient Chimera | Creature | Chimera | Flying
Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Daarken
                
                        
                    Prognostic Sphinx | Creature | Sphinx | Flying
Discard a card: Prognostic Sphinx gains hexproof until end of turn. Tap it.
Whenever Prognostic Sphinx attacks, scry 3. | Steve Prescott
                
                        
                    Sea God's Revenge | Sorcery |  | Return up to three target creatures your opponents control to their owners' hands. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Eric Velhagen
                
                        
                    Sealock Monster | Creature | Octopus | 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. | Adam Paquette
                
                        
                    Shipbreaker Kraken | Creature | Kraken | {6}{U}{U}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)
When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control Shipbreaker Kraken. | Jack Wang
                
                                    2 LSV
                        
                    Stymied Hopes | Instant |  | Counter target spell unless its controller pays {1}. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Peter Mohrbacher
                
                        
                    Swan Song | Instant |  | Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying. | Peter Mohrbacher
                
                        
                    Thassa, God of the Sea | Legendary Enchantment Creature | God | Indestructible
As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
At the beginning of your upkeep, scry 1.
{1}{U}: Target creature you control can't be blocked this turn. | Jason Chan
                
                                    3.5 LSV
                        
                    Thassa's Bounty | Sorcery |  | Draw three cards. Target player mills three cards. | Ryan Yee
                
                        
                    Thassa's Emissary | Enchantment Creature | Crab | Bestow {5}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Whenever Thassa's Emissary or enchanted creature deals combat damage to a player, draw a card.
Enchanted creature gets +3/+3. | Sam Burley
                
                        
                    Triton Fortune Hunter | Creature | Merfolk Soldier | Heroic — Whenever you cast a spell that targets Triton Fortune Hunter, draw a card. | Clint Cearley
                
                        
                    Triton Shorethief | Creature | Merfolk Rogue |  | Howard Lyon
                
                        
                    Triton Tactics | Instant |  | Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step. | Jack Wang
                
                        
                    Vaporkin | Creature | Elemental | Flying
Vaporkin can block only creatures with flying. | Seb McKinnon
                
                        
                    Voyage's End | Instant |  | Return target creature to its owner's hand. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Chris Rahn
                
                        
                    Wavecrash Triton | Creature | Merfolk Wizard | Heroic — Whenever you cast a spell that targets Wavecrash Triton, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Ryan Barger
                
                        
                    Returned Phalanx | Creature | Zombie Soldier | Defender
{1}{U}: Returned Phalanx can attack this turn as though it didn't have defender. | Seb McKinnon
                
                        
                    Agent of Horizons | Creature | Human Rogue | {2}{U}: Agent of Horizons can't be blocked this turn. | Clint Cearley
                
                        
                    Battlewise Hoplite | Creature | Human Soldier | Heroic — Whenever you cast a spell that targets Battlewise Hoplite, put a +1/+1 counter on Battlewise Hoplite, then scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) | Willian Murai
                
                        
                    Daxos of Meletis | Legendary Creature | Human Soldier | Daxos of Meletis can't be blocked by creatures with power 3 or greater.
Whenever Daxos of Meletis deals combat damage to a player, exile the top card of that player's library. You gain life equal to that card's mana value. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. | Karla Ortiz
                
                        
                    Medomai the Ageless | Legendary Creature | Sphinx | Flying
Whenever Medomai the Ageless deals combat damage to a player, take an extra turn after this one.
Medomai the Ageless can't attack during extra turns. | David Palumbo
                
                                    4 LSV
                        
                    Ashiok, Nightmare Weaver | Legendary Planeswalker | Ashiok | +2: Exile the top three cards of target opponent's library.
−X: Put a creature card with mana value X exiled with Ashiok, Nightmare Weaver onto the battlefield under your control. That creature is a Nightmare in addition to its other types.
−10: Exile all cards from all opponents' hands and graveyards. | Karla Ortiz
                
                                    3 LSV
                        
                    Psychic Intrusion | Sorcery |  | Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. | Jaime Jones
                
                        
                    Shipwreck Singer | Creature | Siren | Flying
{1}{U}: Target creature an opponent controls attacks this turn if able.
{1}{B}, {T}: Attacking creatures get -1/-1 until end of turn. | Daarken
                
                        
                    Spellheart Chimera | Creature | Chimera | Flying, trample
Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard. | Svetlin Velinov
                
                        
                    Steam Augury | Instant |  | Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. | Dave Kendall
                
                                    3 LSV
                        
                    Horizon Chimera | Creature | Chimera | Flash
Flying, trample
Whenever you draw a card, you gain 1 life. | Sam Burley
                
                        
                    Prophet of Kruphix | Creature | Human Wizard | Untap all creatures and lands you control during each other player's untap step.
You may cast creature spells as though they had flash. | Winona Nelson
                
                        
                    Temple of Deceit | Land |  | Temple of Deceit enters the battlefield tapped.
When Temple of Deceit enters the battlefield, scry 1.
{T}: Add {U} or {B}. | Raymond Swanland
                
                        
                    Temple of Mystery | Land |  | Temple of Mystery enters the battlefield tapped.
When Temple of Mystery enters the battlefield, scry 1.
{T}: Add {G} or {U}. | Noah Bradley
                
                        
                    Island | Basic Land | Island | ({T}: Add {U}.) | Rob Alexander
                
                                     LSV
                        
                    Island | Basic Land | Island | ({T}: Add {U}.) | Steven Belledin
                
                                     LSV
                        
                    Island | Basic Land | Island | ({T}: Add {U}.) | Adam Paquette
                
                                     LSV
                        
                    Island | Basic Land | Island | ({T}: Add {U}.) | Raoul Vitale
                
                                     LSV