Dauntless River Marshal | Creature | Human Soldier | Dauntless River Marshal gets +1/+1 as long as you control an Island.
{3}{U}: Tap target creature. | Mark Winters
Aeronaut Tinkerer | Creature | Human Artificer | Aeronaut Tinkerer has flying as long as you control an artifact. (It can't be blocked except by creatures with flying or reach.) | Willian Murai
Aetherspouts | Instant | | For each attacking creature, its owner puts it on the top or bottom of their library. | Dan Scott
Amphin Pathmage | Creature | Salamander Wizard | {2}{U}: Target creature can't be blocked this turn. | Mark Winters
Chasm Skulker | Creature | Squid Horror | Whenever you draw a card, put a +1/+1 counter on Chasm Skulker.
When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.) | Jack Wang
Chief Engineer | Creature | Vedalken Artificer | Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.) | Steven Belledin
Chronostutter | Instant | | Put target creature into its owner's library second from the top. | Seb McKinnon
Coral Barrier | Creature | Wall | Defender (This creature can't attack.)
When Coral Barrier enters the battlefield, create a 1/1 blue Squid creature token with islandwalk. (It can't be blocked as long as defending player controls an Island.) | Florian de Gesincourt
Diffusion Sliver | Creature | Sliver | Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. | Trevor Claxton
Dissipate | Instant | | Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. | Tomasz Jedruszek
Divination | Sorcery | | Draw two cards. | Howard Lyon
Encrust | Enchantment | Aura | Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated. | Jason Felix
Ensoul Artifact | Enchantment | Aura | Enchant artifact
Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types. | Jasper Sandner
Frost Lynx | Creature | Elemental Cat | When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Izzy
Fugitive Wizard | Creature | Human Wizard | | Mark Zug
Glacial Crasher | Creature | Elemental | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Glacial Crasher can't attack unless there is a Mountain on the battlefield. | Mark Winters
Hydrosurge | Instant | | Target creature gets -5/-0 until end of turn. | Steve Prescott
Illusory Angel | Creature | Angel Illusion | Cast this spell only if you've cast another spell this turn.
Flying | Allen Williams
Into the Void | Sorcery | | Return up to two target creatures to their owners' hands. | Daarken
Invisibility | Enchantment | Aura | Enchant creature
Enchanted creature can't be blocked except by Walls. | Pete Venters
Jace, the Living Guildpact | Legendary Planeswalker | Jace | +1: Look at the top two cards of your library. Put one of them into your graveyard.
−3: Return another target nonland permanent to its owner's hand.
−8: Each player shuffles their hand and graveyard into their library. You draw seven cards. | Chase Stone
Jace's Ingenuity | Instant | | Draw three cards. | Igor Kieryluk
Jalira, Master Polymorphist | Legendary Creature | Human Wizard | {2}{U}, {T}, Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order. | Steve Prescott
Jorubai Murk Lurker | Creature | Leech | Jorubai Murk Lurker gets +1/+1 as long as you control a Swamp.
{1}{B}: Target creature gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.) | Clint Cearley
Kapsho Kitefins | Creature | Fish | Flying
Whenever Kapsho Kitefins or another creature enters the battlefield under your control, tap target creature an opponent controls. | Ryan Yee
Master of Predicaments | Creature | Sphinx | Flying
Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost. | Matt Stewart
Mercurial Pretender | Creature | Shapeshifter | You may have Mercurial Pretender enter the battlefield as a copy of a creature you control, except it has "{2}{U}{U}: Return this creature to its owner's hand." | Izzy
Military Intelligence | Enchantment | | Whenever you attack with two or more creatures, draw a card. | Craig J Spearing
Mind Sculpt | Sorcery | | Target opponent mills seven cards. | Michael C. Hayes
Negate | Instant | | Counter target noncreature spell. | Jeremy Jarvis
Nimbus of the Isles | Creature | Elemental | Flying (This creature can't be blocked except by creatures with flying or reach.) | Cliff Childs
Paragon of Gathering Mists | Creature | Human Wizard | Other blue creatures you control get +1/+1.
{U}, {T}: Another target blue creature you control gains flying until end of turn. | Michael C. Hayes
Peel from Reality | Instant | | Return target creature you control and target creature you don't control to their owners' hands. | Jason Felix
Polymorphist's Jest | Instant | | Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1. | Craig J Spearing
Quickling | Creature | Faerie Rogue | Flash (You may cast this spell any time you could cast an instant.)
Flying
When Quickling enters the battlefield, sacrifice it unless you return another creature you control to its owner's hand. | Clint Cearley
Research Assistant | Creature | Human Wizard | {3}{U}, {T}: Draw a card, then discard a card. | Svetlin Velinov
Soul of Ravnica | Creature | Avatar | Flying
{5}{U}{U}: Draw a card for each color among permanents you control.
{5}{U}{U}, Exile Soul of Ravnica from your graveyard: Draw a card for each color among permanents you control. | Stephan Martiniere
Statute of Denial | Instant | | Counter target spell. If you control a blue creature, draw a card, then discard a card. | Zoltan Boros
Stormtide Leviathan | Creature | Leviathan | 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. | Karl Kopinski
Turn to Frog | Instant | | Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1. | Warren Mahy
Void Snare | Sorcery | | Return target nonland permanent to its owner's hand. | Zack Stella
Wall of Frost | Creature | Wall | Defender
Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step. | Mike Bierek
Welkin Tern | Creature | Bird | Flying (This creature can't be blocked except by creatures with flying or reach.)
Welkin Tern can block only creatures with flying. | Austin Hsu
Sliver Hivelord | Legendary Creature | Sliver | Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.) | Aleksi Briclot
Shivan Reef | Land | | {T}: Add {C}.
{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you. | Rob Alexander
Yavimaya Coast | Land | | {T}: Add {C}.
{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you. | Anthony S. Waters
Island | Basic Land | Island | ({T}: Add {U}.) | Cliff Childs
Island | Basic Land | Island | ({T}: Add {U}.) | Florian de Gesincourt
Island | Basic Land | Island | ({T}: Add {U}.) | Peter Mohrbacher
Island | Basic Land | Island | ({T}: Add {U}.) | Andreas Rocha